JP2003036845A5 - - Google Patents
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- JP2003036845A5 JP2003036845A5 JP2001221376A JP2001221376A JP2003036845A5 JP 2003036845 A5 JP2003036845 A5 JP 2003036845A5 JP 2001221376 A JP2001221376 A JP 2001221376A JP 2001221376 A JP2001221376 A JP 2001221376A JP 2003036845 A5 JP2003036845 A5 JP 2003036845A5
- Authority
- JP
- Japan
- Prior art keywords
- organic compound
- carbon material
- electrode
- carbonaceous material
- carbide
- 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.)
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- 239000003575 carbonaceous material Substances 0.000 description 17
- 150000002894 organic compounds Chemical class 0.000 description 15
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004438 BET method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
Description
【特許請求の範囲】
【請求項１】 黒鉛性炭素質物と液状有機化合物とを混合し、得られた混合物を加熱して有機化合物を炭化させ、黒鉛性炭素質物の表面に有機化合物の炭化物が付着している電極用炭素材料を製造する方法において、有機化合物として、１５０℃における粘度が１００ｃｐ以上であって、かつ、９００℃で炭化させた場合の炭素化する成分と揮発する成分との重量比率が１：２〜１：４であるものを用いることを特徴とする方法。
【請求項２】 有機化合物として、１５０℃における粘度が５００〜５０００ｃｐのものを用いることを特徴とする請求項１記載の方法。
【請求項３】 有機化合物の炭化物の含有率が１〜２５重量％となるように、黒鉛性炭素質物と液状有機化合物とを混合することを特徴とする請求項１又は２に記載の方法。
【請求項４】 電極用炭素材料が、ＢＥＴ法による比表面積が０．７〜２．１ｍ2 ／ｇであることを特徴とする請求項１ないし３のいずれかに記載の方法。
【請求項５】 黒鉛性炭素質物の表面に有機化合物の炭化物が付着している電極用炭素材料であって、当該有機化合物として、１５０℃における粘度が１００ｃｐ以上であって、かつ、９００℃で炭化させた場合の炭素化する成分と揮発する成分との重量比率が１：２〜１：４であることを特徴とする電極用炭素材料。
【請求項６】 有機化合物として、１５０℃における粘度が５００〜５０００ｃｐであることを特徴とする請求項５記載の電極用炭素材料。
【請求項７】 有機化合物の炭化物の含有率が１〜２５重量％となるように、黒鉛性炭素質物と液状有機化合物とを混合することを特徴とする請求項５または６に記載の電極用炭素材料。
【請求項８】 ＢＥＴ法による比表面積が０．７〜２．１ｍ2 ／ｇであることを特徴とする請求項５から７のいずれかに記載の電極用炭素材料。
【請求項９】 黒鉛性炭素質物と液状有機化合物とを混合し、得られた混合物を加熱して有機化合物を炭化させることにより製造される電極用炭素材料であって、黒鉛性炭素質物の表面に有機化合物の炭化物が付着していることを特徴とする請求項５から８のいずれかに記載の電極用炭素材料。
[Claims]
1. An electrode for mixing a graphitic carbonaceous material with a liquid organic compound, heating the resulting mixture to carbonize the organic compound, and adhering the organic compound carbide to the surface of the graphitic carbonaceous material. In the method for producing a carbon material, the organic compound has a viscosity at 150 ° C. of 100 cp or more, and a weight ratio of a component to be carbonized and a component to be volatilized when carbonized at 900 ° C. is 1: 2 to A method characterized by using a ratio of 1: 4.
2. The method according to claim 1, wherein the organic compound has a viscosity at 150 ° C. of 500 to 5000 cp.
3. The method according to claim 1, wherein the graphitic carbonaceous material and the liquid organic compound are mixed so that the carbide content of the organic compound is 1 to 25% by weight.
4. The method according to claim 1, wherein the carbon material for an electrode has a specific surface area of 0.7 to 2.1 m 2 / g by a BET method.
5. A carbon material for an electrode in which a carbide of an organic compound is adhered to the surface of a graphitic carbonaceous material, wherein the organic compound has a viscosity at 150 ° C. of 100 cp or more and at 900 ° C. A carbon material for an electrode, wherein a weight ratio of a component to be carbonized and a component to be volatilized when carbonized is 1: 2 to 1: 4.
6. The carbon material for an electrode according to claim 5, wherein the organic compound has a viscosity at 150 ° C. of 500 to 5000 cp.
7. The electrode according to claim 5, wherein the graphitic carbonaceous material and the liquid organic compound are mixed so that the content of the carbide of the organic compound is 1 to 25% by weight. Carbon material.
8. The carbon material for an electrode according to claim 5, wherein a specific surface area by a BET method is 0.7 to 2.1 m 2 / g.
9. A carbon material for an electrode produced by mixing a graphitic carbonaceous material and a liquid organic compound, and heating the resulting mixture to carbonize the organic compound, the surface of the graphitic carbonaceous material. The carbon material for an electrode according to any one of claims 5 to 8, wherein a carbide of an organic compound is attached to the carbonaceous material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001221376A JP2003036845A (en) | 2001-07-23 | 2001-07-23 | Method for producing carbon material for electrodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001221376A JP2003036845A (en) | 2001-07-23 | 2001-07-23 | Method for producing carbon material for electrodes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003036845A JP2003036845A (en) | 2003-02-07 |
| JP2003036845A5 true JP2003036845A5 (en) | 2008-09-04 |
Family
ID=19055054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001221376A Pending JP2003036845A (en) | 2001-07-23 | 2001-07-23 | Method for producing carbon material for electrodes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003036845A (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1111919A (en) * | 1997-06-25 | 1999-01-19 | Hitachi Chem Co Ltd | Production method of conjugated carbon particle, conjugated carbon particle obtained by this production method, carbon paste using the conjugated carbon particle, negative pole for lithium secondary battery and lithium secondary battery |
| JP3711726B2 (en) * | 1998-01-20 | 2005-11-02 | 日立化成工業株式会社 | Graphite particles, production method thereof, lithium secondary battery and negative electrode thereof |
-
2001
- 2001-07-23 JP JP2001221376A patent/JP2003036845A/en active Pending
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