METHOD OF USING ELECTROCHEMICAL ELEMENT

• Main Authors: KUNISAWA MASATOMO, YOKOUCHI HITOSHI, OMORI MASAHIRO
• Format: Patent
• Language: English; Japanese
• Published: 17.09.2015
• Subjects: BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

PROBLEM TO BE SOLVED: To reduce decline in voltage or battery capacity when using an electrochemical element at a low temperature.SOLUTION: In a method of using an electrochemical element including two facing electrodes and a nonaqueous electrolyte at equal to or less than 0°C, at least one of the electrodes includes a ground layer containing a conductive material between a collector and an electrode active material layer. 【課題】電気化学素子を低温で使用する際の、電圧低下や電池容量の低下を小さくする。【解決手段】対向する２つの電極および非水電解質を備えた電気化学素子を０℃以下で使用する方法において、前記電極の少なくとも一方が、集電体と、電極活物質層との間に、導電材を含む下地層を有することを特徴とする電気化学素子の使用方法。【選択図】図１