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The negative electrode material and binder used in the world's first practical lithium-ion secondary battery (LiB) developed in 1991 were Kureha's CARBOTRON P and KF POLYMER. Lithium-ion secondary batteries are used in small devices such as computers and mobile phones, and have become an indispensible part of our everyday lives. With growing global awareness of environmental issues in recent years, much increasing attention has focused on using these batteries in environmentally-responsive vehicles such as hybrids and electric cars. The exceptional performance of Kureha's CARBOTRON P and KF POLYMER has ensured their long-standing use as materials in LiBs. |
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High durability and exceptional charge-discharge properties
- CARBOTRON P |
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| CARBOTRON® P |
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Kureha commercialized CARBOTRON P (called "hard carbon" due to its structure) in 1991, drawing on its expertise in activated carbon derived from petroleum pitch. CARBOTRON P has since been used mainly in applications that take advantage of its durability and charge-discharge properties, such as large LiBs for industrial use. Currently many automakers and battery companies are focused on developing LiBs for use in vehicles, and are conducting tests using CARBOTRON P. |
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Polymer technologies developed over many years support new industries
- KF POLYMER |
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| KF Polymer® |
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Building on its advanced polymer technologies, Kureha began industrial production of Japan's first vinylidene fluoride resin, KF POLYMER, in 1970. The material has since been used in a wide range of applications for LiB binders and general industry including in corrosion-resistant valves, which take advantage of its strengths as an engineering plastic. This includes combining exceptional qualities as a fluorocarbon polymer, such as chemical resistance and electrical properties, with moldability on a par with general-purpose resins.
KF POLYMER has a long track record of use as a binder in small consumer LiBs used in devices such as mobile phones and laptop computers. We also expect to see rapid expansion in demand for large LiBs during the next few years, including for automotive applications and stationary electric power generators. |
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Main
Products, and the Departments That Handle Them |
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Operations Dept.(TEL : 03-3249-4656 , FAX : 03-3249-4614) |
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| Battery Materials |
CARBTRON ® P (carbon material for lithium ion secondary batteries)
KF Polymer ® (PVDF binder for secondary batteries)
A-BAC-PW (activated carbon for electric double layer capacitor) |
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Kureha (Shanghai) Co., Ltd.(TEL : 86-21-6352-7036 , FAX : 86-21-6352-7039) |
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| Battery Materials |
CARBTRON ® P (carbon material for lithium ion secondary batteries)
KF Polymer ® (PVDF binder for secondary batteries)
A-BAC-PW (activated carbon for electric double layer capacitor) |
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Kureha America LLC(TEL : 1-212-867-7040 , FAX : 1-212-953-0025) |
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| Battery Materials |
CARBTRON ® P (carbon material for lithium ion secondary batteries)
KF Polymer ® (PVDF binder for secondary batteries)
A-BAC-PW (activated carbon for electric double layer capacitor) |
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