JP2011238525A - 蓄電デバイス用負極活物質ならびにこれを用いた蓄電デバイス用負極材料および蓄電デバイス用負極 - Google Patents
蓄電デバイス用負極活物質ならびにこれを用いた蓄電デバイス用負極材料および蓄電デバイス用負極 Download PDFInfo
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- 239000010405 anode material Substances 0.000 title abstract description 3
- 239000006183 anode active material Substances 0.000 title abstract 4
- 239000000463 material Substances 0.000 claims abstract description 64
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 33
- 239000011147 inorganic material Substances 0.000 claims abstract description 33
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
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- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 1
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- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
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- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
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- 230000002427 irreversible effect Effects 0.000 description 1
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- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- 229910052708 sodium Inorganic materials 0.000 description 1
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- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
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- H01M4/00—Electrodes
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/04—Hybrid capacitors
- H01G11/06—Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
-
- H—ELECTRICITY
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- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
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- H01M4/134—Electrodes based on metals, Si or alloys
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
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- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
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Abstract
【解決手段】Si、Sn、Alおよびこれらのうちいずれかを含む合金ならびに黒鉛から選択される少なくとも1種の無機材料と、少なくともP2O5および/またはB2O3を含有する酸化物材料とを含有することを特徴とする蓄電デバイス用負極活物質。
【選択図】なし
Description
(M=Si、Sn、Alおよびこれらのうちいずれかを含む合金ならびに黒鉛から選択される少なくとも1種)
Sn+yLi++ye-←→LiySn ・・・(1’)
負極活物質中の酸化物材料は表1および2に示す組成となるように、主原料としてスズとリンの複合酸化物(ピロリン酸第一錫:Sn2P2O7)を用い、各種酸化物、炭酸塩原料などで原料粉末を調製した。原料粉末を石英ルツボに投入し、電気炉を用いて窒素雰囲気にて950℃、40分間の溶融を行い、ガラス化した。
上記で得られた負極活物質と導電助剤と結着剤を80:5:15[質量%]になるように秤量し、N−メチルピロリドン(NMP)に分散した後、自転・公転ミキサーで十分に撹拌してスラリー化した。ここで、導電助剤としてはケッチャンブラック(以下、「KB」と略す)、結着剤としてはポリイミド樹脂(以下、「PI」と略す)を用いた。
コインセルの下蓋に、上記作用極を銅箔面を下に向けて載置し、その上に60℃で8時間減圧乾燥した直径16mmのポリプロピレン多孔質膜(ヘキストセラニーズ社製 セルガード#2400)からなるセパレータ、および対極である金属リチウムを積層し、試験電池を作製した。電解液としては、1M LiPF6溶液/EC:DEC=1:1(EC=エチレンカーボネート、DEC=ジエチルカーボネート)を用いた。なお試験電池の組み立ては露点温度−60℃以下の環境で行った。
充電(負極活物質へのLiイオンの吸蔵)は、0.2mAで2Vから0VまでCC(定電流)充電を行った。次に、放電(負極活物質からのLiイオンの放出)は、0.2mAの定電流で0Vから2Vまで放電させた。この充放電サイクルを繰り返し行った。
Claims (8)
- Si、Sn、Alおよびこれらのうちいずれかを含む合金ならびに黒鉛から選択される少なくとも1種の無機材料と、
少なくともP2O5および/またはB2O3を含有する酸化物材料
とを含有することを特徴とする蓄電デバイス用負極活物質。 - 酸化物材料がさらにSnOを含有することを特徴とする請求項1に記載の蓄電デバイス用負極活物質。
- 酸化物材料が、組成としてモル%で、SnO 45〜95%、P2O5 5〜55%を含有することを特徴とする請求項2に記載の蓄電デバイス用負極活物質。
- 酸化物材料が実質的に非晶質であることを特徴とする請求項3に記載の蓄電デバイス用負極活物質。
- 質量%で、無機材料 5〜90%、酸化物材料 10〜95%を含有することを特徴とする請求項1〜4のいずれかに記載の蓄電デバイス用負極活物質。
- 請求項1〜5のいずれかに記載の蓄電デバイス用負極活物質、導電助剤および結着剤を含有することを特徴とする蓄電デバイス用負極材料。
- 質量%で、負極活物質 55〜90%、結着剤 5〜30%、導電助剤 3〜20%を含有することを特徴とする請求項6に記載の蓄電デバイス用負極材料。
- 請求項6または7に記載の蓄電デバイス用負極材料が集電体表面に塗布されてなることを特徴とする蓄電デバイス用負極。
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US13/696,678 US20130059201A1 (en) | 2010-05-12 | 2011-04-18 | Negative-electrode active substance for electricity storage device, and negative electrode material for electricity storage device and negative electrode for electricity storage device which use the same |
PCT/JP2011/059549 WO2011142216A1 (ja) | 2010-05-12 | 2011-04-18 | 蓄電デバイス用負極活物質ならびにこれを用いた蓄電デバイス用負極材料および蓄電デバイス用負極 |
KR1020127030318A KR20130061682A (ko) | 2010-05-12 | 2011-04-18 | 축전 디바이스용 부극 활물질, 이것을 사용한 축전 디바이스용 부극 재료 및 축전 디바이스용 부극 |
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Cited By (6)
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JP2011119263A (ja) * | 2009-12-04 | 2011-06-16 | Schott Ag | バッテリ電極用の材料、これを含有したバッテリ電極、ならびにこれらの電極を具備したバッテリ、およびバッテリ電極用の材料の調製方法 |
JP2014229539A (ja) * | 2013-05-24 | 2014-12-08 | 日本電気硝子株式会社 | 蓄電デバイス用負極活物質およびその製造方法 |
JP2015018788A (ja) * | 2013-07-12 | 2015-01-29 | ポスコ ケムテック | リチウム二次電池用負極活物質、その製造方法およびそれを含むリチウム二次電池 |
JP2015053221A (ja) * | 2013-09-09 | 2015-03-19 | 国立大学法人岩手大学 | リチウム二次電池用負極 |
JP2015198000A (ja) * | 2014-04-01 | 2015-11-09 | 日本電気硝子株式会社 | 蓄電デバイス用負極活物質、蓄電デバイス用負極材料および蓄電デバイス |
CN109585834A (zh) * | 2018-12-10 | 2019-04-05 | 包头市石墨烯材料研究院有限责任公司 | 一种介孔硅-锡复合物电极材料及其制备方法和应用 |
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JP5776888B2 (ja) * | 2011-05-25 | 2015-09-09 | 日産自動車株式会社 | 電気デバイス用負極活物質 |
WO2016021443A1 (ja) * | 2014-08-05 | 2016-02-11 | Necエナジーデバイス株式会社 | リチウムイオン電池の負極の製造方法、並びにリチウムイオン電池の製造方法 |
WO2018062285A1 (ja) * | 2016-09-30 | 2018-04-05 | 積水化学工業株式会社 | 炭素材料、キャパシタ用電極シート及びキャパシタ |
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JP2011119263A (ja) * | 2009-12-04 | 2011-06-16 | Schott Ag | バッテリ電極用の材料、これを含有したバッテリ電極、ならびにこれらの電極を具備したバッテリ、およびバッテリ電極用の材料の調製方法 |
JP2014229539A (ja) * | 2013-05-24 | 2014-12-08 | 日本電気硝子株式会社 | 蓄電デバイス用負極活物質およびその製造方法 |
JP2015018788A (ja) * | 2013-07-12 | 2015-01-29 | ポスコ ケムテック | リチウム二次電池用負極活物質、その製造方法およびそれを含むリチウム二次電池 |
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CN109585834A (zh) * | 2018-12-10 | 2019-04-05 | 包头市石墨烯材料研究院有限责任公司 | 一种介孔硅-锡复合物电极材料及其制备方法和应用 |
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