JP2005112691A - リチウム含有オキシ水酸化ニッケルの製造方法およびそれを含む電極を備えた非水電解質電気化学セル - Google Patents
リチウム含有オキシ水酸化ニッケルの製造方法およびそれを含む電極を備えた非水電解質電気化学セル Download PDFInfo
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- JP2005112691A JP2005112691A JP2003351608A JP2003351608A JP2005112691A JP 2005112691 A JP2005112691 A JP 2005112691A JP 2003351608 A JP2003351608 A JP 2003351608A JP 2003351608 A JP2003351608 A JP 2003351608A JP 2005112691 A JP2005112691 A JP 2005112691A
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- JP
- Japan
- Prior art keywords
- lithium
- nickel oxyhydroxide
- containing nickel
- electrode
- solution
- 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
- OSOVKCSKTAIGGF-UHFFFAOYSA-N [Ni].OOO Chemical compound [Ni].OOO OSOVKCSKTAIGGF-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 229910000483 nickel oxide hydroxide Inorganic materials 0.000 title claims abstract description 117
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 100
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 30
- -1 polycyclic aromatic compound Chemical class 0.000 claims abstract description 27
- 239000007858 starting material Substances 0.000 claims abstract description 15
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910002640 NiOOH Inorganic materials 0.000 claims abstract 2
- 238000002848 electrochemical method Methods 0.000 abstract description 7
- 239000000243 solution Substances 0.000 description 44
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 40
- 229910017052 cobalt Inorganic materials 0.000 description 22
- 239000010941 cobalt Substances 0.000 description 22
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- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 5
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- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
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- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 2
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- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/04—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Nickelates
- C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
-
- 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
- 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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/50—Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
-
- 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
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- 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
- H01M4/36—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
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
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Abstract
【解決手段】リチウム含有オキシ水酸化ニッケルの製造方法において、リチウムイオンと多環芳香族化合物とを含む溶液とオキシ水酸化ニッケルとを接触させる。また、この製造方法において、リチウム含有オキシ水酸化ニッケルが、出発物質NiOOH1モルに対しLiがxモル挿入されたものであることを特徴とする。さらに、この製造方法で得られたリチウム含有オキシ水酸化ニッケルを含む電極を非水電解質電気化学セルに用いる。
【選択図】図2
Description
[実施例1]
まず、出発原料として水酸化ニッケルと次亜塩素酸ナトリウムを用い、酸化反応させることによって、平均粒径10μmのオキシ水酸化ニッケル粉末を合成した。つぎに、溶媒としての2−メトキシブタンに、濃度0.25mol dm−3となるようにナフタレンを溶解し、さらに金属Liを飽和量溶解させた溶液Sを作製した。
実施例1と同じオキシ水酸化ニッケルを用い、これを溶液Sに浸漬せず、そのまま実施例1と同様にして、比較例1の電極Bを作製した。さらに、実施例1と同様の条件で、電極Bの電気化学的な電位挙動を測定した。その結果を図3に示す。
実施例1で用いたのと同じオキシ水酸化ニッケルと溶液Sを用いて、オキシ水酸化ニッケルを溶液Sに浸漬する時間を変えて、出発物質NiOOH1モルに対しLiがxモル挿入されたリチウム含有オキシ水酸化ニッケルのxの値を変化させた。そして、実施例1と同様にして電極を作製し、25℃において、0.5mA定電流で、0.3〜3.0V間の5サイクルの充放電を行った。ここで、1サイクル目の放電容量に対する50サイクル目の放電容量を「放電容量維持率(%)」とする。測定結果を表1に示す。
[実施例7]
溶媒としての2−メトキシブタンに、濃度0.25mol dm−3のとなるようにアントラセンを溶解し、さらに金属Liを飽和量溶解させた溶液S1を作製し、この溶媒S1に、実施例1で用いたのと同じオキシ水酸化ニッケル粉末を浸漬し、25℃で72時間攪拌し、ろ過した後、ジメチルカーボネートで洗浄し、さらに50℃で減圧乾燥して、本発明によるリチウム含有オキシ水酸化ニッケル粉末を得た。
溶液S1に用いる多環芳香族化合物をフェナンスレンとしたこと以外は実施例7と同様にして、実施例8の電極を得た。
溶液S1に用いる溶媒を1−メトキシプロパンとしたこと以外は実施例1と同様にして、実施例9の電極を得た。
溶液S1に用いる溶媒を1−メトキシプロパンとしたこと以外は実施例7と同様にして、実施例10の電極を得た。
溶液S1に用いる溶媒を1−メトキシプロパンとしたこと以外は実施例8と同様にして、実施例11の電極を得た。
[実施例12]
実施例1で用いたのと同じ平均粒径10μmのオキシ水酸化ニッケル粉末において、ニッケルの一部をコバルトで置換し、コバルトの置換量を、ニッケルとコバルトの合計モル数に対し0.1mol%としたコバルト置換オキシ水酸化ニッケル粉末(化学式はNi0.9999Co0.001OOH)を用いた以外は実施例1と同様にして、実施例12の電極を得た。
コバルトの置換量を、ニッケルとコバルトの合計モル数に対し0.2mol%としたコバルト置換オキシ水酸化ニッケル粉末(化学式はNi0.998Co0.002OOH)を用いた以外は実施例12と同様にして、実施例13の電極を得た。
コバルトの置換量を、ニッケルとコバルトの合計モル数に対し1.0mol%としたコバルト置換オキシ水酸化ニッケル粉末(化学式はNi0.99Co0.01OOH)を用いた以外は実施例12と同様にして、実施例14の電極を得た。
コバルトの置換量を、ニッケルとコバルトの合計モル数に対し5mol%としたコバルト置換オキシ水酸化ニッケル粉末(化学式はNi0.95Co0.05OOH)を用いた以外は実施例12と同様にして、実施例13の電極を得た。
コバルトの置換量を、ニッケルとコバルトの合計モル数に対し20mol%としたコバルト置換オキシ水酸化ニッケル粉末(化学式はNi0.8Co0.2OOH)を用いた以外は実施例12と同様にして、実施例16の電極を得た。
コバルトの置換量を、ニッケルとコバルトの合計モル数に対し25mol%としたコバルト置換オキシ水酸化ニッケル粉末(化学式はNi0.75Co0.25OOH)を用いた以外は実施例12と同様にして、実施例17の電極を得た。
[実施例18]
実施例1で用いたリチウム含有オキシ水酸化ニッケルを正極活物質とし、黒鉛を負極活物質とする非水電解質二次電池(NiOOH・Li/C系)を作製した。この電池の充放電反応は、つぎの(1)式のように考えられる。右向きが充電反応、左向きが放電反応である。
実施例1で用いた多孔度85%、大きさが10mmW×20mmL×150μmTの発泡ニッケル基体に、リチウム含有オキシ水酸化ニッケル粉末を含む公称容量が13mAhの極板を正極板とした。つぎに、平均粒径10μmの鱗片状黒鉛80質量%とPVdF20質量%とを、NMP中で分散させることによりペースト作製した。このペーストを厚さ15μmの銅箔上に塗布して、150℃で乾燥することにより、NMPを蒸発させ、ロールプレスで圧縮成型し、スリッターにて大きさが10mmW×20mmL×100μmTの、公称容量が18mAhの負極板を製作した。
五酸化バナジウム(V2O5)を正極活物質とし、リチウム含有オキシ水酸化ニッケルを負極活物質とする非水電解質二次電池(V2O5/NiOOH・LiC系)を作製した。この電池の充放電反応は、つぎの(2)式のように考えられる。右向きが充電反応、左向きが放電反応である。
正極板は、まず、従来から公知の平均粒径が80nmのV2O5粉末75質量%と、アセチレンブラック5質量%と、PVdF20質量%とをNMP中で分散させることによりペーストを作製した。このペーストを厚さ20μmのアルミニウム箔上に塗布して、150℃で乾燥することにより、NMPを蒸発させてから、ローラーで加圧したのち、スリッターにて大きさが10mmW×20mmL×100μmTの公称容量が20mAhの正極板を製作した。また、負極板としては、実施例17で用いた正極板と同じものを用いた。
リチウム含有オキシ水酸化ニッケルを活物質とする公称容量2.6mAhの極板を負極板とし、活性炭を活物質とする公称容量3.6mAhの極板を正極板としたこと以外は実施例17と同様にして、キャパシターを作製し、これを実施例20のキャパシターとした。このキャパシターを実施例17と同じ条件で充放電を行った。その特性を図7に示す。図7から、本願のリチウム含有オキシ水酸化ニッケルは、キャパシターの活物質として使用可能であることがわかった。
Claims (3)
- リチウムイオンと多環芳香族化合物とを含む溶液とオキシ水酸化ニッケルとを接触させることを特徴とするリチウム含有オキシ水酸化ニッケルの製造方法。
- リチウム含有オキシ水酸化ニッケルが、出発物質NiOOH1モルに対しLiがxモル挿入されたものであることを特徴とする請求項1記載のリチウム含有オキシ水酸化ニッケルの製造方法。
- 請求項1または2記載の製造方法で得られたリチウム含有オキシ水酸化ニッケルを含む電極を備えたことを特徴とする非水電解質電気化学セル。
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JP2003351608A JP4447880B2 (ja) | 2003-10-10 | 2003-10-10 | リチウム含有オキシ水酸化ニッケルの製造方法およびそれを含む電極を備えた非水電解質電気化学セル |
US10/959,068 US20050152830A1 (en) | 2003-10-10 | 2004-10-07 | Manufacturing process of Li-contained nickel oxyhydroxide and nonaqueous electrolyte electrochemical cells with it |
CNA200410085052XA CN1624957A (zh) | 2003-10-10 | 2004-10-10 | 含锂氧代氢氧化镍及电化学储能装置的制造方法 |
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US20090270024A1 (en) * | 2008-04-25 | 2009-10-29 | Buck Reid J | Water-excluding air vent |
US8298706B2 (en) | 2010-03-12 | 2012-10-30 | The Gillette Company | Primary alkaline battery |
US8703336B2 (en) | 2012-03-21 | 2014-04-22 | The Gillette Company | Metal-doped nickel oxide active materials |
US9028564B2 (en) | 2012-03-21 | 2015-05-12 | The Gillette Company | Methods of making metal-doped nickel oxide active materials |
US9570741B2 (en) | 2012-03-21 | 2017-02-14 | Duracell U.S. Operations, Inc. | Metal-doped nickel oxide active materials |
US9793542B2 (en) | 2014-03-28 | 2017-10-17 | Duracell U.S. Operations, Inc. | Beta-delithiated layered nickel oxide electrochemically active cathode material and a battery including said material |
JP6669878B2 (ja) * | 2016-08-29 | 2020-03-18 | 株式会社田中化学研究所 | ナトリウムイオン二次電池用正極活物質 |
JP7105802B2 (ja) | 2017-05-09 | 2022-07-25 | デュラセル、ユーエス、オペレーションズ、インコーポレーテッド | ベータ脱リチウム化層状酸化ニッケルの電気化学的に活性なカソード材料を含む電池 |
WO2020163280A1 (en) * | 2019-02-04 | 2020-08-13 | Ut-Battelle, Llc | Ni oxyhxdroxyde containing additional metals, process to prepare it and lithium mixed oxide prepared by using it as precursor |
CN109994732A (zh) * | 2019-04-15 | 2019-07-09 | 上海电气国轩新能源科技有限公司 | 酚类锂盐化合物的应用、锂离子二次电池及其制备方法 |
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