Polymer battery R&D in the U.S.

Atsushi Takahara, Kensuke Nakamura, Keiji Tanaka, Tisato Kajiyama

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

抄録

Polymer electrolytes that have been developed for battery applications fall into two general classes, neat or "pure" polymer and plasticized or gel in which the polymer is combined with a conducting organic electrolyte. The polyethylene oxide (PEO) and its modifications are typical of the "pure" polymer electrolytes. They have poor conductivity at room temperatures, but at elevated temperatures, their conductivity is of the order of 10 -3 to 10 -4 S/cm. The PEO electrolytes have found application in the high temperature (>60°C) lithium metal anode battery systems. The high temperature necessary for good operation makes them unsuitable for use in small consumer appliances. The polymer electrolyte battery development activities have resulted in several high performance battery systems now just entering the market. Not all of the developments have resulted in commercial cell production. The commercialization activities of high performance lithium-ion (Li-Ion) batteries have been based on two general plastic polymer systems: poly-vinylidene difluoride-hexafluoropropylene copolymer (PVdF-HFP) and polyacrylates. The polymer cells are expected to have advantages in manufacturing, flexibility, thin cell formats and lightweight packaging. Important parameters in PVdF gel electrolyte performance include the electrolyte type (combination of organic carbonates), temperature, and HFP copolymer content. Li-Ion coin cells fabricated with a polyolefin separator with either liquid electrolyte or with the PVdF gel polymer electrolyte have equivalent performance.

元の言語英語
ページ(範囲)229-245
ページ数17
ジャーナルMacromolecular Symposia
159
DOI
出版物ステータス出版済み - 12 1 2000

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Electrolytes
electric batteries
Polymers
electrolytes
polymers
Gels
lithium
gels
Polyethylene oxides
cells
Lithium
polyethylenes
copolymers
Copolymers
Temperature
difluorides
conductivity
acrylic resins
commercialization
oxides

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

これを引用

Polymer battery R&D in the U.S. / Takahara, Atsushi; Nakamura, Kensuke; Tanaka, Keiji; Kajiyama, Tisato.

:: Macromolecular Symposia, 巻 159, 01.12.2000, p. 229-245.

研究成果: ジャーナルへの寄稿記事

Takahara, Atsushi ; Nakamura, Kensuke ; Tanaka, Keiji ; Kajiyama, Tisato. / Polymer battery R&D in the U.S. :: Macromolecular Symposia. 2000 ; 巻 159. pp. 229-245.
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