ELECTROLYTE FOR LITHIUM ION CAPACITOR AND LITHIUM ION CAPACITOR

Title:

ELECTROLYTE FOR LITHIUM ION CAPACITOR AND LITHIUM ION CAPACITOR

Document Type and Number:

WIPO Patent Application WO/2016/125770

Kind Code:

A1

Abstract:

Provided are: an electrolyte for a lithium ion capacitor having improved low-temperature properties and service life; and a lithium ion capacitor using the electrolyte. The electrolyte contains a solvent formed from a cyclic carbonate comprising ethylene carbonate (EC) and propylene carbonate (PC) and a chain carbonate comprising dimethyl carbonate (DMC) and ethyl methyl carbonate (EMC). The electrolyte may further contain vinylene carbonate (VC). The lithium ion capacitor that uses the electrolyte can be configured so that the positive electrode material contains activated carbon and the negative electrode material contains a non-graphitizing carbon.

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Inventors:

TAKAHASHI AKIO

Application Number:

PCT/JP2016/052997

Publication Date:

August 11, 2016

Filing Date:

February 02, 2016

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Assignee:

HITACHI CHEMICAL CO LTD (JP)

International Classes:

H01G11/60; H01G11/06; H01G11/64

Foreign References:

JP2014212304A	2014-11-13
JP2008243832A	2008-10-09
JP2006339010A	2006-12-14

Attorney, Agent or Firm:

NISHIURA Tsuguharu (JP)
Tsugiharu Nishiura (JP)

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