Browse technical resources about solar mounting systems, tracker technology, structural design, and installation best practices.
HOME / Bosch Rexroth Shares Newest Battery Production Tech - BeTheFuture Solar Foundation & Infrastructure
Recently, Panasonic Holdings (HD) announced that it will commercialize "power generation glass" (BIPV), which integrates perovskite solar cells and building materials, in 2026.
Japan's Sekisui Chemical said on Thursday that it plans to begin mass production of next-generation perovskite solar cells (PSCs) in 2027.
GCL Photoelectric built its first production line for perovskite cells in September 2021. It can produce 100 megawatts of solar panels with the dimensions of 1 meters by 2 meters a year. The panels made at the new plant will have a relatively high photoelectric conversion efficiency of 26 percent, the firm said.
Andries Wantenaar, a solar analyst at Rethink Energy, explains why he sees a bright future for perovskite PV cells, with technological advancements and major R&D investment paving the way for revolutionary change. From pv magazine 10/23
Rethink believes multiple companies are already capable of making perovskite solar panels that would be competitive today. These companies also have a second generation of perovskite cells in the laboratory. Within three years, next-gen products will be scaled up to full size panels and viable for mass production.
The first movers will be the handful of companies leading the field today, at least five of which – Microquanta, UtmoLight, GCL System Integration, Caelux, and Oxford PV – have commissioned 100 MW pilot production lines. By 2026, every mainstream silicon manufacturer will have committed to perovskite products.
A look at the latest perovskite research shows that industry optimism is built on a strong foundation. The first 1 MW solar plant using perovskite modules from Microquanta Semiconductor has been generating electricity since November 2023. From pv magazine World records for perovskite solar cells have a short shelf life.
Production Supervisor, Battery Cell ManufacturingLead and develop a motivated production teamCollaborate with engineering to enhance manufacturability and productivityDevelop training programs and support team member growthOversee issue resolution and maintain quality standardsDevelop and uphold standardized Manufacturing InstructionsEnsure safety and compliance, promoting continuous improvement.
A lead-acid battery is a type of rechargeable battery used in many common applications such as starting an automobile engine. It is called a “lead-acid” battery because the two primary components that allow the battery to charge and discharge electrical current are lead and acid (in most case, sulfuric acid). Lead. It is important to note that lead-acid batteries do not produce an electrical charge. They are only capable of receiving a charge from another. Lead-acid batteries are most commonly used to provide starting power for internal combustion engines. This includes cars, trucks, trains, planes, and ships. Their almost complete. With so few components, often the difference between a satisfactory battery and an exceptional battery lies in the equipment used to. With the correct equipment, battery manufacturing is not terribly complicated. A battery has few parts, and none of them move. However, any time.
[PDF Version]This document provides an overview of the lead acid battery manufacturing process. It discusses the key steps which include alloy production, grid casting, paste mixing and pasting, plate curing, and assembly. The alloy production process involves preparing mother alloy and KL-alloy from reclaimed lead using furnaces.
In applications, a nominal 12V lead-acid battery is frequently created by connecting six single-cell lead-acid batteries in series. Additionally, it can be incorporated into 24V, 36V, and 48V batteries. Further, the lead acid manufacturing process has been discussed in detail. Lead Acid Battery Manufacturing Equipment Process 1.
Lead–acid batteries may be flooded or sealed valve-regulated (VRLA) types and the grids may be in the form of flat pasted plates or tubular plates. The various constructions have different technical performance and can be adapted to particular duty cycles. Batteries with tubular plates offer long deep cycle lives.
First, the study finds that the lead-acid battery has approximate environmental impact values (per kWh energy delivered): 2 kg CO 2eq for climate change, 33 MJ for resource use - fossil, 0.02 mol H + eq For acidification potential, 10 −7 disease incidence for particulate emission, and 8 × 10 −4 kg Sb eq for resource use – minerals and metals.
The electrolyte in a lead-acid battery is a solution of sulfuric acid, while the electrodes are mostly constructed of lead and lead oxide. Positive plates of lead-acid batteries that are discharged primarily contain lead dioxide, while negative plates primarily contain lead.
The positive plate is made up of lead dioxide PbO2 and the negative plate with pure lead. The nominal electric potential between these two plates is 2 volts when these plates are immersed in dilute sulfuric acid. This potential is universal for all lead acid batteries.
The anode and cathode materials are mixed just prior to being delivered to the coating machine. This mixing process takes time to ensure the homogeneity of the slurry. Cathode: active material (eg NMC622), polymer binder (e.g. PVdF), solvent (e.g. NMP) and conductive additives (e.g. carbon) are batch mixed. The anode and cathodes are coated separately in a continuous coating process. The cathode (metal oxide for a lithium ion cell) is coated onto an aluminium electrode. The. The electrodes up to this point will be in standard widths up to 1.5m. This stage runs along the length of the electrodes and cuts them down in width to. Immediately after coating the electrodes are dried. This is done with convective air dryers on a continuous process. The solvents are recovered from this process. Infrared technology is used as a booster on Anode lines.
[PDF Version]Battery cell production is divided into three main steps: (i) Electrode production, (ii) cell assembly, and (iii) cell formation and finishing . While steps (1) and (2) are similar for all cell formats, cell assembly techniques differ significantly . Battery cells are the main components of a battery system for electric vehicle batteries.
The manufacture of the lithium-ion battery cell comprises the three main process steps of electrode manufacturing, cell assembly and cell finishing. The electrode manufacturing and cell finishing process steps are largely independent of the cell type, while cell assembly distinguishes between pouch and cylindrical cells as well as prismatic cells.
lithium-ion battery production. The range stationary applications. Many national and offer a broad expertise. steps: electrode manufacturing, cell assembly and cell finishing. cells, cylindrical cells and prismatic cells. each other. The ion-conductive electrolyte fills the pores of the electrodes and the remaining space inside the cell.
The cell is filled with an electrolyte, which is composed of lithiumhexafluorophosphate (LiPF6) conductive salt . The manufacturing process of the cell is the one described in . The data for the energy consumption of the battery cell manufacturing are taken from .
The battery manufacturing process is a complex sequence of steps transforming raw materials into functional, reliable energy storage units. This guide covers the entire process, from material selection to the final product's assembly and testing.
Electrode manufacturing is the first step in the lithium battery manufacturing process. It involves mixing electrode materials, coating the slurry onto current collectors, drying the coated foils, calendaring the electrodes, and further drying and cutting the electrodes. What is cell assembly in the lithium battery manufacturing process?
The automatic lead-acid battery assembly line is an efficient and precise battery production equipment designed for the assembly, welding, liquid filling, and sealing processes of lead-acid batteries.
The tutorial teaches how to: You can find the Lead Acid Battery Production Model tutorial in the Tutorials section of AnyLogic Help. To find it, you will need AnyLogic 8.5 or access to the online AnyLogic Help. We recommend the tutorial for everyone who models in AnyLogic, even if you are already familiar with the Material Handling Library.
Our automotive lead-acid battery production equipment includes enveloping/wrapping & stacking machines, an element check and buffer system, cast-on-strap machines and full assembly lines. Did you know that the annual demand for automotive batteries is approx. 400 million pieces worldwide?
Our technology is used to produce telecom preforms, specialty preforms and fibers. The automotive lead-acid battery sector covers all SLI (starting, lighting, ignition) batteries. This includes the following technologies: With our complete assembly solutions for car and truck batteries, we have the expertise to fulfil your needs.
As with any mature technology, battery manufacturers expect an automotive battery assembly line to be highly dependable and work on an almost nonstop basis.
The first practical version of a rechargeable lead-acid battery was invented in 1859. Of course, the technical requirements have changed enormously since then. We are all the more pleased that we have been supplying the lead-acid battery manufacturing sector with our production equipment for more than 50 years now.
Our assembly equipment handles automotive battery applications from car to truck and covers all SLI (starting, lighting, ignition) batteries.
A lithium ion manganese oxide battery (LMO) is a lithium-ion cell that uses manganese dioxide, MnO 2, as the cathode material. They function through the same intercalation/de-intercalation mechanism as other commercialized secondary battery technologies, such as LiCoO 2. Cathodes based on manganese. Spinel LiMn 2O 4One of the more studied manganese oxide-based cathodes is LiMn 2O 4, a cation ordered member of the • • •.
Lithium Manganese Oxide batteries are among the most common commercial primary batteries and grab 80% of the lithium battery market. The cells consist of Li-metal as the anode, heat-treated MnO2 as the cathode, and LiClO 4 in propylene carbonate and dimethoxyethane organic solvent as the electrolyte.
The operation of lithium manganese batteries revolves around the movement of lithium ions between the anode and cathode during charging and discharging cycles. Charging Process: Lithium ions move from the cathode (manganese oxide) to the anode (usually graphite). Electrons flow through an external circuit, creating an electric current.
In the past several decades, the research communities have witnessed the explosive development of lithium-ion batteries, largely based on the diverse landmark cathode materials, among which the application of manganese has been intensively considered due to the economic rationale and impressive properties.
2, as the cathode material. They function through the same intercalation /de-intercalation mechanism as other commercialized secondary battery technologies, such as LiCoO 2. Cathodes based on manganese-oxide components are earth-abundant, inexpensive, non-toxic, and provide better thermal stability.
The layered oxide cathode materials for lithium-ion batteries (LIBs) are essential to realize their high energy density and competitive position in the energy storage market. However, further advancements of current cathode materials are always suffering from the burdened cost and sustainability due to the use of cobalt or nickel elements.
In this paper, the production of LMO cathode material for use in lithium-ion batteries is studied. Spreadsheet-based process models have been set up to estimate and analyze the factors affecting the cost of manufacturing, the energy demand, and the environmental impact.
The production process for Chisage ESS Battery Packs consists of eight main steps: cell sorting, module stacking, code pasting and scanning, laser cleaning, laser welding, pack assembly, pack testing, and packaging for storage.
The electric cabinet on the production line uses an AGV flexible design for transportation, which enhances production efficiency.
Household batteries are mainly low-voltage 100Ah, 200Ah, and 300Ah batteries, including 5kWh rack-mounted battery packs, 5-10kWh wall-mounted battery packs, 5-20kWh stacked battery packs, and 15kWh floor-mounted battery packs.
Our battery cells are all made of new A-grade cells, with a single cell voltage of 3.2V, and the current production of battery Pack capacity is mainly 100Ah, 200Ah, and 280Ah. Use steel belts for pressing and packing, form 8 cells into 1 Module module, 2 Module modules into 1 Box Pack, and dissipate heat through ducts and fans.
The production process for Chisage ESS Battery Packs consists of eight main steps: cell sorting, module stacking, code pasting and scanning, laser cleaning, laser welding, pack assembly, pack testing, and packaging for storage. Now, following in the footsteps of Chisage ESS, our sales engineers are ready to take you on a virtual tour!
This advanced production line integrates a series of automated processes, including cell sorting, laser welding, module stacking, BMS installation, testing, and final pack assembly, tailored to various battery cell types such as cylindrical, prismatic, and pouch cells.
The production process for Chisage ESS Battery Packs consists of eight main steps: cell sorting, module stacking, code pasting and scanning, laser cleaning, laser welding, pack assembly, pack testing, and packaging for storage. Now, following in the footsteps of Chisage ESS, our sales engineers are ready to take you on a virtual tour!
Cell, Module and Pack are each labelled with a QR code and scanned into the EMS system for registration, so that after-sales maintenance can trace the production and testing information individually.
The energy storage battery Pack process is a key part of manufacturing, which directly affects the performance, life, safety, and other aspects of the battery. What kind of trials and tribulations has battery pack of Chisage ESS gone through? Let's find out.
An automotive battery is a battery of any size or weight used for one or more of the following purposes: 1. starter or ignition power in a road vehicle engine 2. lighting power in a road vehicle An industrial battery or battery pack is of any size or weight, with one or more of the following characteristics: 1. designed exclusively for industrial or professional uses 2. used as a source. A battery pack is a set of batteries connected or encapsulated within an outer casing which is: 1. formed and intended for use as a single, complete unit 2. not intended to be split up or opened A portable battery or battery pack is a battery which meets all the following criteria: 1. sealed 2. weighs 4kg or below 3. not an automotive or industrial battery 4. not designed exclusively. The 2008 and the 2009 regulations do not define a sealed battery. Defra and the regulators have adopted the International Electrotechnical Commission's (IEC) definition of a 'sealed cell'.
[PDF Version]This Classification Note provides requirements for approval of Lithium-ion battery systems to be used in battery powered vessels or hybrid vessels classed or intended to be classed with IRS.
Sealed batteries weighing 4kg or below may still be classed as industrial if they are designed exclusively for professional or industrial use. If a battery producer wants to classify a battery as designed exclusively for professional or industrial use, weighing 4kg or below, they must provide evidence for that classification.
Battery system is an “Energy storage device that includes cells or cell assemblies or battery pack (s) as well as electrical circuits and electronics (e.g., BCU, contactors)” [ 20 ]. Chassis/body in white (BiW) is the outer shell of the battery electric vehicle (BEV) [ 21] (p. 3).
Type approval would be required for each type of Li-ion battery (i.e. for each battery chemistry). The type approval process consists of the following: type testing & functional testing, (review type test records if the tests are carried out in Govt. lab or were witnessed by any other IACS society.
Primary batteries are non-rechargeable. The secondary batteries i.e. batteries which can be recharged have further variants based on the battery chemistry. The type of electrolyte used, aqueous (acid, alkaline) or non aqueous play a major role in battery energy density and safety. The primary focus of the survey procedure is on secondary batteries.
The battery system manufacturer is to prepare and implement a quality plan that defines procedures for the inspection of materials, components, cells, modules, battery packs, and battery systems and which covers the whole process of producing each type of cell, module, battery pack, and battery system.
A battery works on the oxidation and reduction reaction of an electrolyte with metals. When two dissimilar metallic substances, called electrode, are placed in a diluted electrolyte, oxidation and reduction reaction take place in the electrodes respectively depending upon the electron affinity of the metal of the electrodes. As. The Daniell cell consists of a copper vessel containing copper sulfate solution. The copper vessel itself acts as the positive electrode. A porous pot containing diluted sulfuric acid is. In the year of 1936 during the middle of summer, an ancient tomb was discovered during construction of a new railway line near Bagdad city in Iraq.
Battery production is an intricate ballet of science and technology, unfolding in three primary stages: Electrode creation: It all begins with the electrodes. In this initial stage, the anode and cathode – the critical components that store and release energy – are meticulously crafted.
Mixing the constituent ingredients is the first step in battery manufacture. After granulation, the mixture is then pressed or compacted into preforms—hollow cylinders. The principle involved in compaction is simple: a steel punch descends into a cavity and compacts the mixture.
This electrical potential difference or emf can be utilized as a source of voltage in any electronics or electrical circuit. This is a general and basic principle of battery and this is how a battery works. All batteries cells are based only on this basic principle. Let's discuss one by one.
To understand the basic principle of battery properly, first, we should have some basic concept of electrolytes and electrons affinity. Actually, when two dissimilar metals are immersed in an electrolyte, there will be a potential difference produced between these metals.
Batteries produce electric energy though the chemical reaction occurring inside the cell. The key to carry out that reaction is the motion of electrons. Electrons are negatively charged particles that generate electricity while moving. This flow is possible with the use of two different metals acting as conductors.
The journey of battery manufacturing culminates in a vital phase: testing and validation. It's where the rubber meets the road, ensuring each battery meets stringent performance standards. Conditioning for perfection: Before a battery ever powers a device, it undergoes conditioning.
Li-ion batteries can be recycled via three main methods: pyrometallurgy, hydrometallurgy or direct recycling, and parts of these processes can also be combined.
The process of recycling used lithium-ion batteries involves three main technology parts: pretreatment, material recovery, and cathode material recycling. Pretreatment includes discharge treatment, uniform crushing, and removing impurities.
Lithium-ion battery (LIB) waste management is an integral part of the LIB circular economy. LIB refurbishing & repurposing and recycling can increase the useful life of LIBs and constituent materials, while serving as effective LIB waste management approaches.
The rapid increase in lithium-ion battery (LIB) production has escalated the need for efficient recycling processes to manage the expected surge in end-of-life batteries. Recycling methods such as direct recycling could decrease recycling costs by 40% and lower the environmental impact of secondary pollution.
Overall schematic of lithium recycling from pre-treated waste LIB components by pyrometallurgy process. Some pyrometallurgy uses additional acids for the roasting to higher the lithium extraction efficiency. Liu et al. used nitric acid to nitrate the lithium ion-battery scraps and roasted them at 250 °C for 60 min.
However, issues remain regarding the means to commercialize and make the process more environmentally friendly. According to the UNEP report on recycling rates, the lithium-ion battery recycling rate in the EU is less than 5%, and less than 1% of lithium is recycled. 115., 116., 117., 118. 6. Future directions for lithium recycling technologies
Waste lithium-ion batteries can be pre-treated and separated safely only when they are fully discharged. If not, the battery can explode or emit toxic gases due to local short-circuiting.
The new plant will be next to its existing assembly plant in Lutherstadt Wittenberg, Saxony-Anhalt, and will be able to produce 80,000 of the company's battery energy storage system (BESS) products a year, totalling 4GWh, at full capacity.
Sara Siddeeq reports for BEST on German plans for continuing battery innovation development across the energy sector. Germany's battery production landscape is characterised by significant investments from both established automotive giants and emerging players.
Germany has made remarkable strides in energy storage, a critical component for balancing the intermittency of renewable energy sources like wind and solar. By the end of 2024, the country had installed approximately 19GWh of battery storage capacity, marking a 50% increase from the previous year.
Gotion's German battery plant is expected to be ready to supply European customers from October and could reach a real-world capacity of 5 GWh by mid-2024. (Han Jun, party secretary of Anhui, and Stephan Weil, Governor of Lower Saxony, signed on the first battery pack produced at Gotion's factory in Germany. Image credit: Gotion)
Germany's leadership in the global battery industry extends far beyond production volume. It stems from a foundation of rigorous regulatory frameworks, engineering excellence, and a tightly knit ecosystem that fosters innovation across the battery lifecycle – from cell design to predictive analytics.
The milestone marks Gotion's achievement of localized production and supply in Europe, with its batteries officially becoming "Made in Germany," it said.
With this storage facility, traditional power plant sites can make an exemplary contribute to the German and European energy supply. Please click on the image to zoom At the sites of the power plants in Hamm and Neurath, an intelligent, net-worked storage system is being built.
The characteristics that define an EV battery performance are listed below: 1. Battery Capacity 2. C-Rate 3. Weight 4. Size 5. Power In order to understand them in detail, keep on reading the article. Battery capacity or Energy capacity is the ability of a battery to deliver a certain amount of power over a while. It is measured in kilowatt-hours (product of voltage and ampere-hours). It determines the energy available to the. A C-rating is used to define the rate at which a battery is fully charged or discharged. For instance, when the vehicle with an 85kWh battery is. The size of the battery of an electric vehicle has its own significance. Energy per volume is important to building a compact EV. Volumetric energy density means an amount of energy contained within a certain volume.It. The major part of an EV's weight comes from its battery. In general gross weight of a passenger EV, varies from 600kg to 2600kg with the battery weight varying from 100kg to 550kg.
[PDF Version]There are four main types of batteries that are used in electric vehicles, namely ultracapacitors / supercapacitors, lead-acid batteries, nickel-metal hydride batteries and lithium-ion batteries. In the ultracapacitor polarized liquid is stored between an electrode and an electrocyte.
Li-ion batteries are the preferred choice for modern electric cars due to their advanced rechargeable battery technology. However, they are relatively expensive to produce compared to other battery types. Nickel-Metal Hydride (NiMH) batteries gained commercial use in the late 1980s.
Beyond their 1500 charges and useful lifespan in a vehicle, electric vehicle batteries can be used for energy storage where performance isn't so important. For example, they can be used in motorhomes to store solar power, or as a backup for a power cut in our homes. Why are electric car batteries so expensive?
An electric vehicle battery is a rechargeable battery used to power the electric motors of a battery electric vehicle (BEV) or hybrid electric vehicle (HEV). They are typically lithium-ion batteries that are designed for high power-to-weight ratio and energy density.
NiMH batteries are known for their recyclability and are proven to be a suitable option for EVs, with an average battery life of 5-7 years. Lead-Acid batteries, formulated in 1859, are the oldest type of battery still in use. They are known for their low cost but have a shorter lifespan of around 3 years.
Nowadays, Lithium-ion batteries are by far the most widely used, this is due to them recharging quickly, being robust against temperature changes, and being able to maintain power for long durations, with bursts of very high power.
These advanced materials include mica, intumescent materials, and ablative coatings. Each material offers unique properties and benefits suitable for different aspects of battery protection.
Foams also act as thermal and electrical conductors, depending on their material and the compression amount within the battery. An extra layer can be added to the foam to make it more suitable for EMI shielding. Battery components need protection from electromagnetic waves due to their high frequencies and small size.
Regarding EV battery production, foam ensures optimal performance and longevity. Foam is widely used as an insulation material within battery packs, protecting the cells from extreme temperatures and vibrations. This insulation not only enhances safety but also helps maximise energy efficiency.
One plug-in hybrid EV built in China is already using a thermoplastic polypropylene compound instead of aluminium for its battery case cover, providing savings in weight. Other EVs now in production around world are using several thermoplastic materials for components such as cell carriers and housings, battery modules and battery enclosures.
Polyurethane foam, silicone foam, and Ethylene-Vinyl Acetate (EVA) foam are commonly used foams in EV battery manufacturing. Each type serves specific purposes, such as thermal, electrical, and shock absorption. What are some advancements in foam technology for EV batteries?
Additionally, polyurethane foam provides structural support, reducing the risk of damage due to shocks or vibrations. Silicone foam, another popular choice, excels in maintaining electrical insulation. Creating a barrier against moisture and dust ingress ensures the battery pack's long-term reliability.
These foams are built with fire-resistant materials, ensuring if something such as thermal runaway occurs in the battery, the foam will be an essential factor in reducing the chances of spreading. Dielectric foams and insulation are critical components to protecting the battery cells as they expand and contract while in use.
Marketing Battery StoresMake Your Business Stand Out Making your battery stores business stand out from the competition is essential for success. Take Advantage of Digital Platforms. Revolutionizing the Battery Store Business.
The marketing strategies you employ should highlight the unique aspects of your business, like your commitment to sustainable battery production and advanced technology. Here are essential strategies to consider: Identify Your Unique Value Proposition: Clearly articulate what sets your battery manufacturing company apart.
Here are 8 tips on how to market for the Battery Stores business: Develop an effective pricing and promotion strategy that will keep customers coming back. Make sure to advertise in the right channels and target the right audience. Create an attractive and engaging website that is user friendly.
Success in the battery stores business requires a comprehensive approach to marketing. You need to reach, engage and convert customers with an effective sales pitch and attractive visuals. To grow your business, you can use creative campaigns, such as e-mail blasts, social media posts, press releases and targeted ads.
Explore various funding options available for starting a battery manufacturing business, including government grants, private investors, and loans. Prepare to present your business plan to potential funders. Ensure compliance by registering your ev battery business and obtaining all necessary permits and licenses required in your area.
Sourcing materials that are eco-friendly and implementing responsible manufacturing practices are crucial for long-term success. A comprehensive business plan for your ev battery company should outline your production method, financial projections, and market analysis.
To successfully launch your ev battery manufacturing business, forming strategic partnerships with suppliers and distributors is essential. These relationships can provide you with the necessary resources and market access to operate efficiently and effectively.
This article will provide an in-depth look at the best practices for extinguishing a lithium battery fire, including the types of extinguishers to use, safety precautions, and post-fire procedures.
The following fire extinguishers are specifically designed for use on lithium-ion battery fires which are not the same as standard lithium batteries (use a Class D L2 Powder Extinguisher on standard lithium battery fires).
Our lithium battery fire extinguishers are specially designed to put out such fires. Lith-ex fire extinguishers use a non-toxic and revolutionary extinguishing agent called AVD or Aqueous Vermiculite Dispersion, which is deployed as a mist to create a film over surfaces.
Application: Aim the extinguisher at the base of the fire, and apply the powder evenly to cover the burning material. Lithium-ion battery fires can be effectively managed with standard dry chemical or ABC fire extinguishers. These extinguishers use a dry chemical agent to interrupt the chemical reaction of the fire. Key Points:
Proper use of a lithium-ion fire extinguisher, following the manufacturer's instructions and ensuring it is rated specifically for lithium-ion battery fires, is essential for effectively managing these dangerous fires. Why Should You Also Have a Lithium-Ion Fire Blanket?
While CO2 extinguishers are effective for many types of fires, they are not suitable for lithium battery fires. They do not cool the battery sufficiently, and the fire may re-ignite once the CO2 dissipates. If it is safe to do so, disconnect the battery or power source to cut off the supply of electricity.
Foam extinguishers are also ineffective and unsafe for lithium battery fires. While CO2 extinguishers are effective for many types of fires, they are not suitable for lithium battery fires. They do not cool the battery sufficiently, and the fire may re-ignite once the CO2 dissipates.