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This section provides an overview for electrolytes as well as their applications and principles. Also, please take a look at the list of 15 electrolyte manufacturers and their company rankings. Here are the top-ranked electrolyte companies as of December, 2024: 1.Tatva Chintan Pharma Chem Limited, 2.Koura, 3.Dongwha Electrolyte.
Table of Contents
Electrolytes are liquids that contain dissolved electrolytes which allow electrical current to flow.
Electrolytes are dissolved as cations and anions, which can carry electric charges, thus electrolytes are ion conductive. Electrolytes are mainly used in storage devices, such as batteries and in plating.
In addition, although protic aqueous solvents are often used as electrolytes, non-protic solvents are commonly used in electrolytes for lithium-ion batteries.
Electrolytes are used in a wide range of battery applications, whether for primary batteries or secondary batteries that can be charged and discharged. Specifically, electrolytes are used in lead-acid batteries, alkaline manganese batteries, nickel-metal hydride batteries, nickel-cadmium batteries, primary lithium batteries, secondary lithium-ion batteries, aluminum electrolytic capacitors, electric double layer capacitors, and lithium-ion capacitors.
Electrolytes are one of the materials that make up a battery, and a battery can generate electromotive force through chemical reactions at its electrodes. It is also an indispensable material for electrolysis to generate redox reactions on electrodes. In plating, it is a source of metal to be plated.
Figure 1. Principle of electrolyte
Electrolytes are solutions containing dissolved electrolytes used in batteries and electrolysis. The electrolyte is ionized into cations and anions in a solution, and these ions act as charge carriers. The composition of electrolytes varies depending on the application, and the development of electrolytes with superior properties is constantly underway.
Generally speaking, electrolytes are for batteries. There are several types of electrolytes for batteries, and their composition varies greatly depending on the type of battery.
Electrolytes are important materials that are responsible for carrying the electric charge between the positive and negative electrodes of a battery, for example. The following is a description of electrolytes for each application.
Lead-acid batteries use 30~35% dilute sulfuric acid as electrolytes. Lead-acid batteries use lead dioxide as the positive electrode and sponge lead as the negative electrode. When charging, the lead is converted to lead dioxide by passing current through the cathode, and converted to lead by passing current through the anode.
During discharge, lead dioxide from the positive electrode and lead from the negative electrode are dissolved in dilute sulfuric acid to produce electricity. Lead-acid batteries are used in automobiles, UPS (uninterruptible power supply), etc., and are widely used because they are inexpensive and easy to manufacture.
Alkaline battery electrolytes are strongly alkaline aqueous solutions containing potassium hydroxide as the main component. Since the electrolytes of alkaline batteries are aqueous solutions, self-discharge occurs even when the batteries are not in use.
In the event of leakage, contact with the skin, or contact with the eyes, immediately rinse with large amounts of clean water and seek medical attention. Alkaline batteries are widely used as primary batteries and are suitable for long-term storage.
Concentrated potassium hydroxide solution is used as electrolytes for nickel-metal hydride batteries. Nickel-metal hydride batteries use a nickel oxide compound for the anode and a hydrogen storage alloy for the cathode. Nickel-metal hydride batteries have a high charge-discharge cycle performance and are used in hybrid cars and home appliances.
Organic electrolytes containing dissolved lithium salts such as LiBF4 (lithium tetrafluoroborate), LiPF6 (lithium hexafluorophosphate), and LiFSI (lithium bis-fluorosulfonyl imide) are used in lithium ion batteries. Electrolytes for batteries must not decompose during charging and discharging, not denature when heated, and not ignite when heated.
Lithium-ion batteries are lightweight, high-power, and long-lasting, and are used in smartphones, electric vehicles, and household storage batteries.
Electrolytes for aluminum electrolytic capacitors are made by dissolving salts of tertiary amines or amidines with carboxylic acids in solvents such as lactone or glycol. Aluminum electrolytic capacitors are used in a wide variety of products with electronic substrates in a wide range of fields, including the automotive, home appliance, and industrial equipment fields, because of their low cost.
Electrolytes for electric double-layer capacitors are made by dissolving electrolytes such as quaternary ammonium salts and imidazolium salts in organic solvents. A rechargeable battery is a capacitor that uses activated carbon as the active material for the positive and negative electrodes, and is suitable for applications that require a lot of energy. Where rapid charging and discharging is required and durability is required, electric double-layer capacitors are the capacitor of choice.
*Including some distributors, etc.
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Hamilton Company is a US-based manufacturer of automation and laboratory equipment including process sensors, precision measuring devices, automated liquid handling workstations, and sample management systems. Hamilton's automation solutions include flexible automated liquid handling platforms and pre-configured Assay Ready workstations that are designed for specialized methods. They also offer small liquid handling devices for temperature control, plate sealing to protect microplate-based samples during critical stop points, and barcode reading. The company is also a supplier of laboratory products such as syringes and needles.
NEI Corporation, founded in 1997 and is headquartered in Somerset, New Jersey, United States, is a manufacturer of advanced materials, including nanoscale materials and coatings. Some of its notable offerings encompass high-temperature furnaces, precise atmosphere control, mixing and blending equipment, drying equipment, as well as corrosion-resistant coatings, hydrophobic coatings, and self-healing coatings. These products are used in various applications, including energy storage, electronics, transportation, and infrastructure. The company also offers a related services for the Advance Materials industry, such as materials development, characterization, & analysis, electrospinning, machine learning, expert witness, & cell testing.
3M Company was founded in 1902 and is headquartered in St. Paul, Minnesota. 3M provides diversified technology services globally. 3M operates through four segments: Safety and Industrial, Transportation and Electronics, Health Care, and Consumer. The Safety and Industrial segment offerings include industrial abrasives, masking, and natural and color-coated mineral granules for shingles. The Transportation and Electronics segment offerings include ceramic solutions, light management films, and electronics assembly solutions. The Healthcare segment offerings include wound care, dentistry and orthodontia solutions, and filtration and purification systems. The Consumer segment offerings include consumer bandages, picture hanging, and stationery products.
Otsuka Chemical Co., Ltd., was established in 1950 and is headquartered in Osaka, Japan as a manufacturer of inorganic salts among other products. The company offers an extensive and diversified product portfolio including blended foaming agents, polymerization initiators, potassium titanate filler, advanced rubber additives, aromatic chemicals, and more. These products are integral to various industries including the automotive sector as capacitor electrolysis solutions for electric components, electronic devices as a detergent for semiconductor-related components, residential use as a fire retardant for printed boards, and medical use as synthetic raw materials.
Mitsubishi Chemical Corporation was founded in 1933 and has a head office in Tokyo, Japan. Mitsubishi Chemical Corporation provides products including chemicals, industrial gases, and health care products to customers globally. Mitsubishi Chemical Group’s performance products division manufactures and distributes. functional food materials, electronic and electrical components, specialty chemicals, and other products. Mitsubishi Chemical health care products include pharmaceuticals, drug discovery solutions, diagnostic reagents, and instruments for medical use. Mitsubishi Chemical Corporation also provides other services such as engineering, information systems, logistics, and consulting.
Tatva Chintan Pharma Chem Limited is a manufacturer of specialty chemicals founded in 1996 and headquartered in Gujarat, India. The company specializes in producing chemicals such as phase transfer catalysts, structure directing agents, electrolyte salts, as well as pharmaceutical and agrochemical intermediates. These products are certified by ISO 9001:2015 and cater to the automotive, petroleum, pharmaceutical, agrochemical, and coating industries. The company has a strong global footprint, spanning countries such as the USA, China, South Africa, Germany, and India.
XIAMEN TOB NEW ENERGY TECHNOLOGY Co., LTD., established in 2012, is a manufacturer based in Xiamen, China, specializing in equipment and materials for lithium-ion batteries. The company offers lithium-ion battery and lithium-ion supercapacitor materials, production and testing equipment. Other offerings include battery mixers, battery winding, sealing, and crimping machines as well as electrode coating, slitting, and staking machines. TOB NEW ENERGY serves various industries, including electric vehicles, energy storage systems, and portable electronics. They have designed over 200 lithium-ion battery and supercapacitor production lines for companies and research institutions like Mercedes-Benz AG, Bayerische Motoren Werke (BMW) AG, Massachusetts Institute of Technology (MIT).
Umicore is a manufacturer of materials technology and recycling products established in 1989 and based in Brussels, Belgium. The company offers rechargeable battery materials such as cobalt for electric vehicle batteries, and a range of automotive catalysts for emissions control applications. It also offers specialized machines for battery recycling as well as precious metal refining. The company is IATF 16949 and ISO 45001-certified, and mainly serves clients in the sustainable energy, electric vehicle, and recycling sectors.
Mitsubishi Chemical America is based in New York, USA, and is a manufacturer and distributor of chemical products established in 2017 and functioning as the regional headquarters for Japan’s Mitsubishi Chemical Corporation in the Americas. The company’s product lineup includes polymers for industrial applications, such as engineering plastics, elastomers, and ion exchange resins. It also offers standard film products such as optical reflective sheets and adhesive tapes, as well as specialty films for semiconductor and 3D imaging materials. The company mainly serves clients in the automotive, aerospace, and defense industries.
Swan Analytical is a privately held provider of online analytical systems for the water industry. The company is based in Wheeling, Illinois, and has about 50 employees. Swan Analytical has been developing and manufacturing analytical instruments since 1991. Swan’s portfolio includes analyzers for feed water, steam & condensate, pool & sanitary, wastewater & effluents, to cooling water systems. Their analyzers provide measurement and monitoring solutions for parameters like ammonium, hydrazine, phosphate, dissolved oxygen, and turbidity. Swan primarily serves power plants, semiconductor facilities, pharmaceutical processes, and drinking water plants.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Tatva Chintan Pharma Chem Limited |
19.9%
|
| 2 | Koura |
10.9%
|
| 3 | Dongwha Electrolyte |
9.2%
|
| 4 | Hamilton Company |
7.8%
|
| 5 | 3M |
6.5%
|
| 6 | UNICOM ENGINEERING, INC. |
6.3%
|
| 7 | Solid Power |
6.1%
|
| 8 | Otsuka Chemical Co.,Ltd. |
6.0%
|
| 9 | Mitsubishi Chemical Corporation |
5.8%
|
| 10 | Mitsubishi Chemical America |
4.7%
|
Derivation Method
The ranking is calculated based on the click share within the electrolyte page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
5 | 50.0% |
|
Japan
|
2 | 20.0% |
|
India
|
1 | 10.0% |
|
China
|
1 | 10.0% |
|
United Kingdom
|
1 | 10.0% |
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