Title:
BINDER COMPOSITION FOR POWER STORAGE DEVICE, SLURRY FOR LITHIUM ION SECONDARY BATTERY ELECTRODE, ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2024/075601
Kind Code:
A1
Abstract:
The present invention provides a binder composition for a power storage device, the binder composition: enabling the production of a power storage device electrode that exhibits an excellent surface state and adhesive properties; and being capable of improving the cycle characteristics of a power storage device by reducing an increase in the internal resistance thereof. This binder composition for a power storage device contains a polymer (A) and a liquid medium (B). When the total amount of repeating units included in the polymer (A) is taken to be 100 mass%: the polymer (A) contains 30-90 mass% of a repeating unit (a1) that is derived from a conjugated diene compound, and contains 1-70 mass% of a repeating unit (a2) that is derived from an α,β-unsaturated nitrile compound; and the iodine value of the polymer (A) is 130 mg/100 mg or more.
Inventors:
NAKAYAMA TAKUYA (JP)
MIYABE TOSHITAKA (JP)
SHIMADA SHINGO (JP)
MORI KAZUMASA (JP)
MIYABE TOSHITAKA (JP)
SHIMADA SHINGO (JP)
MORI KAZUMASA (JP)
Application Number:
PCT/JP2023/035093
Publication Date:
April 11, 2024
Filing Date:
September 27, 2023
Export Citation:
Assignee:
ENEOS MAT CORPORATION (JP)
International Classes:
H01M4/62; C08F212/06; C08F222/02; C08F222/30; C08F236/04; H01M4/13; H01M4/139; H01M4/58
Attorney, Agent or Firm:
OFUCHI, Michie et al. (JP)
Download PDF: