CA2155690A1 - Carbon negative electrode materials and lithium secondary cells containing the same - Google Patents

Carbon negative electrode materials and lithium secondary cells containing the same

Info

Publication number
CA2155690A1
CA2155690A1 CA002155690A CA2155690A CA2155690A1 CA 2155690 A1 CA2155690 A1 CA 2155690A1 CA 002155690 A CA002155690 A CA 002155690A CA 2155690 A CA2155690 A CA 2155690A CA 2155690 A1 CA2155690 A1 CA 2155690A1
Authority
CA
Canada
Prior art keywords
negative electrode
lithium secondary
carbon negative
same
carbon
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002155690A
Other languages
French (fr)
Other versions
CA2155690C (en
Inventor
Takushi Ohsaki
Ryuichi Yazaki
Hiroshi Taira
Akira Wakaizumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyo Nippon Sanso Corp
Original Assignee
Nippon Sanso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Sanso Corp filed Critical Nippon Sanso Corp
Priority to CA002155690A priority Critical patent/CA2155690C/en
Publication of CA2155690A1 publication Critical patent/CA2155690A1/en
Application granted granted Critical
Publication of CA2155690C publication Critical patent/CA2155690C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

A carbon negative electrode material containing microparticles of hard carbon. The pores in the carbon microparticles have an inlet diameter such that an organic solvent in an electrolyte of a lithium secondary cell is substantially impermeable and that lithium ions are permeable. Use of such carbon negative electrode material as a negative electrode provides a lithium secondary cell with excellent cell capacity, in which charge capacity and discharge capacity are improved and irreversible capacity is minimized.
CA002155690A 1995-08-09 1995-08-09 Carbon negative electrode materials and lithium secondary cells containing the same Expired - Fee Related CA2155690C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002155690A CA2155690C (en) 1995-08-09 1995-08-09 Carbon negative electrode materials and lithium secondary cells containing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002155690A CA2155690C (en) 1995-08-09 1995-08-09 Carbon negative electrode materials and lithium secondary cells containing the same

Publications (2)

Publication Number Publication Date
CA2155690A1 true CA2155690A1 (en) 1997-02-10
CA2155690C CA2155690C (en) 2001-08-07

Family

ID=4156383

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002155690A Expired - Fee Related CA2155690C (en) 1995-08-09 1995-08-09 Carbon negative electrode materials and lithium secondary cells containing the same

Country Status (1)

Country Link
CA (1) CA2155690C (en)

Also Published As

Publication number Publication date
CA2155690C (en) 2001-08-07

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed