JP2007042285A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2007042285A5 JP2007042285A5 JP2005209706A JP2005209706A JP2007042285A5 JP 2007042285 A5 JP2007042285 A5 JP 2007042285A5 JP 2005209706 A JP2005209706 A JP 2005209706A JP 2005209706 A JP2005209706 A JP 2005209706A JP 2007042285 A5 JP2007042285 A5 JP 2007042285A5
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- secondary battery
- lithium secondary
- electrode material
- particles
- 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
Links
Claims (11)
該高分子材料が、エチレンカーボネートとエチルメチルカーボネートとを３：７の体積比で混合した溶媒に１ＭのＬｉＰＦ 6 を溶解させた基準電解液（Ｂ）に対して溶解しやすい１種類以上の高分子材料（Ｃ−１）と、上記基準電解液（Ｂ）に対して溶解しにくい１種類以上の高分子材料（Ｃ−２）とからなるとともに、
該粒子（Ａ）が有する径１μｍ以下の細孔のうち、その細孔容積の５％以上の細孔に対して、上記基準電解液（Ｂ）に溶解しやすい高分子材料（Ｃ−１）が接するように添着される
ことを特徴とする、リチウム二次電池用負極材料。 Two or more different polymer materials are attached to the inside (pore part) and the outer surface (outer part) of the particle to the particle (A) selected from the group consisting of carbon material particles, metal particles, and metal oxide particles, respectively. A negative electrode material for a lithium secondary battery,
The polymer material is one or more highly soluble in a reference electrolyte solution (B) in which 1M LiPF 6 is dissolved in a solvent in which ethylene carbonate and ethyl methyl carbonate are mixed at a volume ratio of 3: 7. It consists of a molecular material (C-1) and one or more polymer materials (C-2) that are difficult to dissolve in the reference electrolyte solution (B),
Among the pores having a diameter of 1 μm or less possessed by the particles (A), a polymer material (C-1) that is easily dissolved in the reference electrolyte solution (B) with respect to pores of 5% or more of the pore volume A negative electrode material for a lithium secondary battery, wherein the negative electrode material is attached so as to be in contact with each other .
該高分子材料が、エチレンカーボネートとエチルメチルカーボネートとを３：７の体積比で混合した溶媒に１ＭのＬｉＰＦ6を溶解させた基準電解液（Ｂ）に対して溶解しやすい１種類以上の高分子材料（Ｃ−１）と、上記基準電解液（Ｂ）に対して溶解しにくい１種類以上の高分子材料（Ｃ−２）とからなるとともに、
該粒子（Ａ）の内部（細孔部）に、上記基準電解液（Ｂ）に対して溶解しやすい高分子材料（Ｃ−１）が添着されるとともに、粒子（Ａ）の外面（外周部）に、上記基準電解液（Ｂ）に対して溶解しにくい高分子材料（Ｃ−２）が添着された
ことを特徴とする、リチウム二次電池用負極材料。 Two or more different polymer materials are attached to the inside (pore part) and the outer surface (outer part) of the particle to the particle (A) selected from the group consisting of carbon material particles, metal particles, and metal oxide particles, respectively. A negative electrode material for a lithium secondary battery,
The polymer material is one or more highly soluble in a reference electrolyte solution (B) in which 1M LiPF 6 is dissolved in a solvent in which ethylene carbonate and ethyl methyl carbonate are mixed at a volume ratio of 3: 7. It consists of a molecular material (C-1) and one or more polymer materials (C-2) that are difficult to dissolve in the reference electrolyte solution (B) ,
The polymer (C-1) that is easily dissolved in the reference electrolyte solution (B) is attached to the inside (pore part) of the particle (A), and the outer surface (outer peripheral part) of the particle (A). ), the above reference electrolyte (B) less soluble polymeric material to (C-2) is characterized in <br/> that is impregnated, a negative electrode material for lithium secondary battery.
ことを特徴とする、請求項２に記載のリチウム二次電池用負極材料。 Among the pores having a diameter of 1 μm or less possessed by the particles (A), a polymer material (C-1) that is easily dissolved in the reference electrolyte solution (B) with respect to pores of 5% or more of the pore volume characterized in that is affixed in contact, a negative electrode material for lithium secondary battery according to 請 Motomeko 2.
ことを特徴とする、請求項１〜３の何れか一項に記載のリチウム二次電池用負極材料。 The polymer material (C-1) that is easily dissolved in the reference electrolyte solution (B) includes at least one material selected from the group consisting of carboxymethyl cellulose, polyvinylidene fluoride, polyethylene oxide, and polymethyl methacrylate. The negative electrode material for a lithium secondary battery according to claim 1, wherein the negative electrode material is a negative electrode material.
ことを特徴とする、請求項１〜４の何れか一項に記載のリチウム二次電池用負極材料。 5. The polymer material (C-2) hardly soluble in the reference electrolyte solution (B) includes at least polyvinyl alcohol and / or a cross-linked product thereof. 6. Negative electrode material for lithium secondary battery.
該第１添着工程の後に、該粒子（Ａ）に、上記基準電解液（Ｂ）に対して溶解しにくい１種類以上の高分子材料（Ｃ−２）を添着する第２添着工程とを少なくとも備える
ことを特徴とする、リチウム二次電池用負極材料の製造方法。 1M LiPF 6 is dissolved in a solvent in which ethylene carbonate and ethylmethyl carbonate are mixed at a volume ratio of 3: 7 to particles (A) selected from the group consisting of carbon material particles, metal particles, and metal oxide particles. A first attaching step of attaching one or more polymer materials (C-1) that are easily dissolved in the reference electrolyte solution (B);
After the first attaching step, at least a second attaching step of attaching one or more kinds of polymer materials (C-2) that are difficult to dissolve in the reference electrolyte solution (B) to the particles (A). A method for producing a negative electrode material for a lithium secondary battery, comprising:
負極材料（Ｄ）及び炭素材料（Ｅ）の総量に対する炭素材料（Ｅ）の割合が、５重量％以上、９５重量％以下である
ことを特徴とする、リチウム二次電池用負極材料。 A negative electrode material for a lithium secondary battery according to any one of claims 1 to 5 (hereinafter referred to as "negative electrode material (D)"), natural graphite, artificial graphite, amorphous-coated graphite, and amorphous A negative electrode material for a lithium secondary battery obtained by mixing one or more carbon materials (E) selected from the group consisting of carbonaceous carbon,
A negative electrode material for a lithium secondary battery, wherein the ratio of the carbon material (E) to the total amount of the negative electrode material (D) and the carbon material (E) is 5% by weight or more and 95% by weight or less.
該活物質層が、バインダと、請求項１〜５の何れか一項に記載のリチウム二次電池用負極材料とを含有する
ことを特徴とする、リチウム二次電池用負極。 A current collector and an active material layer formed on the current collector;
The negative electrode for a lithium secondary battery, wherein the active material layer contains a binder and the negative electrode material for a lithium secondary battery according to any one of claims 1 to 5.
ことを特徴とする、請求項８記載のリチウム二次電池用負極。 The negative electrode for a lithium secondary battery according to claim 8, wherein the active material layer contains at least one of styrene-butadiene rubber and carboxymethyl cellulose as a binder.
ことを特徴とする、請求項８又は請求項９記載のリチウム二次電池用負極。 The active material layer contains three or more different polymers, the polymer materials (C-1) and (C-2) and a binder, which are attached to the particles (A). The negative electrode for a lithium secondary battery according to claim 8 or 9.
ことを特徴とする、リチウム二次電池。 A positive electrode and a negative electrode capable of inserting and extracting lithium ions, and an electrolyte, wherein the negative electrode is a negative electrode for a lithium secondary battery according to any one of claims 8 to 10. Secondary battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005209706A JP4967268B2 (en) | 2004-07-20 | 2005-07-20 | Negative electrode material for lithium secondary battery, production method thereof, and negative electrode for lithium secondary battery and lithium secondary battery using the same |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004211820 | 2004-07-20 | ||
| JP2004211820 | 2004-07-20 | ||
| JP2005189609 | 2005-06-29 | ||
| JP2005189609 | 2005-06-29 | ||
| JP2005209706A JP4967268B2 (en) | 2004-07-20 | 2005-07-20 | Negative electrode material for lithium secondary battery, production method thereof, and negative electrode for lithium secondary battery and lithium secondary battery using the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007042285A JP2007042285A (en) | 2007-02-15 |
| JP2007042285A5 true JP2007042285A5 (en) | 2007-07-05 |
| JP4967268B2 JP4967268B2 (en) | 2012-07-04 |
Family
ID=37800096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005209706A Active JP4967268B2 (en) | 2004-07-20 | 2005-07-20 | Negative electrode material for lithium secondary battery, production method thereof, and negative electrode for lithium secondary battery and lithium secondary battery using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4967268B2 (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100763891B1 (en) | 2005-12-01 | 2007-10-05 | 삼성에스디아이 주식회사 | Anode active material and lithium battery using the same |
| KR20080064590A (en) * | 2007-01-05 | 2008-07-09 | 삼성에스디아이 주식회사 | Anode for lithium battery and lithium battery employing the same |
| JP4803240B2 (en) * | 2008-11-26 | 2011-10-26 | ソニー株式会社 | Nonaqueous electrolyte secondary battery |
| JP5226128B2 (en) * | 2009-06-30 | 2013-07-03 | パナソニック株式会社 | Negative electrode for nonaqueous electrolyte secondary battery, method for producing the same, and nonaqueous electrolyte secondary battery |
| JP5552865B2 (en) * | 2010-03-26 | 2014-07-16 | 三菱化学株式会社 | Composite polymer impregnated active material for non-aqueous secondary battery electrode |
| JP5540826B2 (en) * | 2010-03-29 | 2014-07-02 | 三菱化学株式会社 | Non-aqueous electrolyte secondary battery carbon material, negative electrode material, and non-aqueous electrolyte secondary battery |
| CA2797217C (en) | 2010-04-23 | 2018-07-10 | National Research Council Of Canada | Use of xanthan gum as an anode binder |
| JP5757148B2 (en) * | 2011-01-20 | 2015-07-29 | 株式会社豊田自動織機 | Negative electrode active material for lithium ion secondary battery and lithium ion secondary battery using the negative electrode active material |
| FR2985598B1 (en) * | 2012-01-06 | 2016-02-05 | Hutchinson | CARBON COMPOSITION FOR SUPERCONDENSER CELL ELECTRODE, ELECTRODE, METHOD FOR MANUFACTURING SAME, AND CELL INCORPORATING SAME. |
| KR20140128379A (en) | 2012-01-30 | 2014-11-05 | 넥세온 엘티디 | Composition of si/c electro active material |
| GB2499984B (en) | 2012-02-28 | 2014-08-06 | Nexeon Ltd | Composite particles comprising a removable filler |
| CN103779572B (en) | 2012-10-26 | 2016-02-24 | 华为技术有限公司 | A kind of lithium ion battery negative additive and preparation method thereof, anode plate for lithium ionic cell and lithium ion battery |
| JP6367207B2 (en) * | 2013-03-19 | 2018-08-01 | エルジー・ケム・リミテッド | Electrode for low resistance electrochemical element, method for producing the same, and electrochemical element including the electrode |
| US10511004B2 (en) | 2014-02-06 | 2019-12-17 | Nissan Motor Co., Ltd. | Non-aqueous electrolyte secondary battery |
| KR101567203B1 (en) | 2014-04-09 | 2015-11-09 | (주)오렌지파워 | Negative electrode material for rechargeable battery and method of fabricating the same |
| KR101604352B1 (en) | 2014-04-22 | 2016-03-18 | (주)오렌지파워 | Negative electrode active material and rechargeable battery having the same |
| KR20170038761A (en) | 2014-08-29 | 2017-04-07 | 스미또모 가가꾸 가부시키가이샤 | Laminated body, separator and nonaqueous secondary battery |
| GB2533161C (en) | 2014-12-12 | 2019-07-24 | Nexeon Ltd | Electrodes for metal-ion batteries |
| US10573933B2 (en) * | 2015-05-15 | 2020-02-25 | Samsung Electronics Co., Ltd. | Lithium metal battery |
| CN108666535B (en) * | 2017-03-31 | 2021-09-03 | 比亚迪股份有限公司 | Lithium ion battery cathode material, preparation method thereof and lithium ion battery |
| JP2022187229A (en) * | 2021-06-07 | 2022-12-19 | 三洋化成工業株式会社 | Coated electrode active material particles for lithium ion battery, electrode for lithium ion battery, and manufacturing method of coated electrode active material particles for lithium ion battery |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3702318B2 (en) * | 1996-02-09 | 2005-10-05 | 日本電池株式会社 | Non-aqueous electrolyte battery electrode and non-aqueous electrolyte battery using the electrode |
| JP4022933B2 (en) * | 1996-03-25 | 2007-12-19 | 株式会社ジーエス・ユアサコーポレーション | Non-aqueous electrolyte secondary battery |
| JP3500005B2 (en) * | 1996-04-26 | 2004-02-23 | 三洋電機株式会社 | Method for producing negative electrode for lithium ion battery |
| JPH10106540A (en) * | 1996-10-01 | 1998-04-24 | Hitachi Maxell Ltd | Lithium secondary battery |
| KR100396492B1 (en) * | 2001-10-17 | 2003-09-02 | 삼성에스디아이 주식회사 | Positive active material for lithium-sulfur battery and method of preparing positive active material composition comprising same |
| JP2004134208A (en) * | 2002-10-10 | 2004-04-30 | Shin Kobe Electric Mach Co Ltd | Lithium secondary battery and electric vehicle |
| JP4686974B2 (en) * | 2002-12-17 | 2011-05-25 | 三菱化学株式会社 | Anode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using the same |
| JP2005129437A (en) * | 2003-10-27 | 2005-05-19 | Canon Inc | Electrode structure for nonaqueous electrolyte secondary battery and its manufacturing method, as well as nonaqueous electrolyte secondary battery equipped with electrode structure and its manufacturing method |
| KR100560539B1 (en) * | 2003-11-17 | 2006-03-15 | 삼성에스디아이 주식회사 | Negative electrode for lithium secondary battery and lithium secondary battery comprising same |
| JP4887671B2 (en) * | 2004-06-17 | 2012-02-29 | トヨタ自動車株式会社 | Lithium secondary battery, positive electrode provided in the battery, and manufacturing method thereof |
-
2005
- 2005-07-20 JP JP2005209706A patent/JP4967268B2/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2007042285A5 (en) | ||
| US11326010B2 (en) | Agent for dispersing electrically conductive carbon material, and dispersion of electrically conductive carbon material | |
| JP5765487B2 (en) | Composite current collector and electrode for energy storage device electrode | |
| TWI390789B (en) | A battery current collector, a battery positive electrode, a battery negative electrode, a battery, and a manufacturing method | |
| CN104916809B (en) | A kind of integrated flexible electrode | |
| JP5977236B2 (en) | Cathode current collector coated with primer and magnesium secondary battery having the same | |
| CN103746085B (en) | A kind of coating composite diaphragm and preparation method thereof | |
| TWI539648B (en) | Lithium electrode and lithium secondary battery comprising the same | |
| JP2013143380A5 (en) | ||
| JP6320727B2 (en) | Positive electrode of lithium-sulfur battery and method for producing the same | |
| JP5341470B2 (en) | ELECTRODE BODY FOR STORAGE ELEMENT, NON-AQUEOUS LITHIUM TYPE STORAGE ELEMENT AND METHOD FOR PRODUCING ELECTRODE BODY FOR STORAGE ELEMENT | |
| CN106256034A (en) | Electrode manufacturing method and correlated product | |
| CN106252659A (en) | Integrated flexible thin film lithium sulfur or lithium ion battery cell, battery and preparation method | |
| CN107623103A (en) | Lithium sulfur battery cells electrode | |
| JPWO2009123168A1 (en) | Porous membrane and secondary battery electrode | |
| CN107403920A (en) | A kind of silicon-carbon combination electrode and preparation method thereof | |
| JP6813350B2 (en) | Binder for secondary battery, binder resin composition for secondary battery, electrode for secondary battery, and secondary battery | |
| JP2004327423A (en) | Composite polymer electrolyte for lithium secondary battery containing single ion conductor and method of manufacturing it | |
| CN108475771A (en) | Energy storage device electrode | |
| CN110323391B (en) | Polymer diaphragm and preparation method thereof, dispersion, lithium ion battery and preparation method thereof | |
| JP5924925B2 (en) | Positive electrode for secondary battery and secondary battery | |
| CN110400923A (en) | Cell negative electrode material, negative electrode material slurry, cathode pole piece and electrochemical cell | |
| JP2020523772A (en) | Electrode and lithium secondary battery including the same | |
| JP4563039B2 (en) | Lithium ion secondary battery | |
| JP2010109080A (en) | Method for manufacturing electrode for storage element, electrode for storage element, and nonaqueous lithium type electricity storage element |