市場調査レポート

リチウムイオン電池用電解質の技術動向・市場予測

Lithium Ion Battery Electrolyte Technology Trend and Market Forecast

発行 SNE Research 商品コード 335314
出版日 ページ情報 英文 202 Pages
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リチウムイオン電池用電解質の技術動向・市場予測 Lithium Ion Battery Electrolyte Technology Trend and Market Forecast
出版日: 2015年07月15日 ページ情報: 英文 202 Pages
概要

近年、2次電池市場は小型ITアプリケーションからESS (蓄電システム) ・EV (電気自動車) まで拡大しています。2次電池を開発・開拓した日本のリチウムイオン2次電池メーカー、パナソニックとソニーは、現在、韓国企業の Samsung SDI および LG Chem との競争に敗れました。さらに、中国企業のATL、BYD、LISHEN、BAK などが中国政府による支援と無限の国内市場により、市場シェアを拡大しています。

当レポートでは、世界のリチウムイオン電池用電解質市場について調査し、電解質の概要、液体電解質・ポリマー電解質・固体電解質の特性、および市場の現況と見通しなどについて考察しています。

第1章 電解質の概要

  • 電解質の理解
  • 電解質の開発動向・主な課題

第2章 液体電解質の開発動向

  • 液体電解質の構成
  • 有機溶媒、リチウム塩、添加剤 (アノードコーティングソリューション、カソードコーティングソリューション)
  • 液体電解質の特性
    • 陽イオン輸率、イオン伝導性、電気化学的安定性、電解質の界面特性、耐熱性
  • 燃焼特性
    • 難燃剤の種類、イオン液体、融点、粘性、難燃性、電気化学的安定性、リチウムイオン結合イオン液体、フッ素化溶媒あたり

第3章 ポリマー電解質

  • ポリマー電解質の種類
    • 固体ポリマー電解質、流動化ポリマー電解質、シングルイオン導体、イオンゲル
  • ポリマー電解質の特性
    • 陽イオン輸率、イオン伝導性、電解質の界面特性、電気化学的安定性、難燃性、力学特性
  • ポリマー電解質の製造方法
    • 物理的架橋結合、化学的架橋結合、位相反転法による多孔質層の形成

第4章 固体電解質

  • 固体電解質の開発の必要性
  • 固体電解質の開発動向
    • 特許動向、技術開発動向

第5章 電解質の世界企業動向

  • 日本の電解質産業
    • 宇部興産、三菱化学、富山薬品工業、PANAX ETEC、Soulbrain、FOOSUNG、LEECHEM、STELLA CHEMIFA CORPORATION、関東電化工業
  • 森田化学工業、Zhangjjagang Guotai-Huarong、Shanshan Tech

第6章 世界の電解質市場の現況・見通し

  • 世界の電解質利用
    • 電解質の売上状況、世界の小型電池・中型&大型電池における電解質の売上状況、国別の電解質売上
  • 電解質の利用:リチウムイオン2次電池企業
    • Samsung SDI、LG Chem、パナソニック、およびATLにおける電解質の利用
  • 電解質産業・2次電池メーカーのSCM
    • SCMマトリクス
  • リチウムイオン2次電池の世界市場見通し・電解質の現況・見通し
    • 世界のリチウムイオン2次電池市場、世界のリチウムイオン2次電池用電解質の需要、リチウムイオン2次電池用電解質の製造

第7章 インデックス

目次

Recently, the secondary battery market is expanding from small-sized IT application market to ESS and EV. Japanese lithium-ion secondary battery manufacturer, Panasonic and Sony that developed and pioneered secondary battery are currently losing the competition against Korean counterparts, Samsung SDI and LG Chem. Furthermore, Chinese manufacturer, ATL, BYD, LISHEN, BAK and others are expanding their market share through support of the Chinese government and infinite domestic market. It is expected that "Secondary battery tripartite composition" will hold for a while, and US auto-makers and battery related company as well as Germany Auto makers and battery related company are looking into large-sized secondary battery production and material market, following the expansion of Electric Vehicle market.

Electrolyte is comprised of solvents, lithium salt and additives. According to the characteristics of the product, electrolyte is to be developed jointly with the lithium-ion secondary battery manufacturer. In the case of IT type small-sized products, it takes three to four months at least to develop, and it takes over a year to develop and evaluate electrolyte used in xEV. In order to respond to consumer needs of diverse products, excellent R&D skills are needed.

Japan and Korea companies mass-produce and supply to global electrolyte market, but it is inevitable to compete against Chinese companies as they are growing rapidly. Panax e-tec and Soulbrain that mass-produce and supply electrolyte could develop along with Samsung SDI, which already obtained the first rank in world market share of lithium-ion secondary battery. In the case of Japan, Mitsubishi Chemical diversified the consumer portfolio that produces small-sized IT type and medium to large sized xEV batteries, and maintains the largest world market share. Kaixin, Guotai, Capchem and other enterprises of China are increasing their market share.

Lithium salt(LiPF6), an important element of electrolyte, is supplied by three Japanese enterprises that accounts for approximately 80% of the supply, and Foosung is the only Korean supplier that supplies Lithium salt(LiPF6) in the Korean market. Additives are added during the process of producing electrolyte to create SEI protective layer, anti-overcharge and improve electronic conducting productivity. Japanese suppliers occupy most of the additive market share, and Leechem and other suppliers of Korea supply additives to the market.

Electrolyte is one of the four main elements that constitute a secondary battery. The proportion of cost of materials from production cost is lower than other three major materials. In order to improve capacity per unit cell of secondary battery, the trend is to increase the amount of anode and cathode materials, and relatively less amount of electrolyte. However, as the expected annual growth rate of IT products by year 2020 is 11.2% and that of xEV is 40.5%, giving a positive outlook on the sustained growth of electrolyte market.

As the use of electrolyte in xEV/ESS large-sized secondary battery increases from 200 to 4,000 times larger per unit cell compared to IT products, securing stability has become a very important issue. Apart from liquid electrolyte and gel polyelectrolyte (polymer) that are already commercialized, research is continued on solid polyelectrolyte that is stable in high temperature. This report conducts an in-depth analysis of the necessity and trend on the development of solid electrolyte.

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Table of Contents

1. Outline of Electrolyte

  • 1.1. Understanding Electrolyte
  • 1.2. Development Trend and Key Issues of Electrolyte
    • (Electrolyte composition, participating enterprises, electrolyte protective film former, key elements by battery function. EV and electrolyte, introduction of future secondary battery: Li- Air(O2) battery, Mg Battery)

2. Development Trend of Liquid Electrolyte

  • 2.1. Composition of Liquid Electrolyte
    • : Organic Solvent, Lithium Salt, Additives (Anode coating solution, cathode coating solution)
  • 2.2. Characteristics of Liquid Electrolyte
    • : Positive ion transport number, ion conductivity, electrochemical stability, interfacial properties of electrodes, thermo-stability
  • 2.3. Combustion characteristics
    • : Types of flame retardant, ionic liquid, melting point, viscosity, thermo-stability, electrochemical stability, lithium-ion coupled ionic liquid, per fluorinated solvents

3. Polymer Electrolyte

  • 3.1. Types of Polymer Electrolyte
    • : Solid Polymer Electrolyte, plasticized polymer electrolyte, single ion-conductor, ion gel
  • 3.2. Characteristics of Polymer Electrolyte
    • : Positive ion transport number, ion conductivity, interfacial properties of electrodes, electrochemical stability, thermo-stability, mechanical properties
  • 3.3. Production Method of Polymer Electrolyte
    • : Physical crosslinking, chemical crosslinking, formation of porous layer through phase inversion method (Bellcore process, formation of microporous layer), solid polymer electrolyte of new structure)

4. Solid Electrolyte

  • 4.1. Development Necessity of Solid Electrolyte
  • 4.2. Development Trend of Solid Electrolyte
    • : Patent trend, technology development trend (Osaka Prefecture University Japan, Idemitsu Japan, Toyota Japan, MIESC Japan, AIST Japan, O-hara Japan, Daiso Japan)

5. Global Enterprise Trend of Electrolyte

  • 5.1. Japanese Electrolyte Industries
    • : UBE Industries, Mitsubishi Chemical, Tomiyama Pure Chemicals, Panax e-tec, Soulbrain, FOOSUNG, LEECHEM, STELLA CHEMIFA CORPORATION, KANTO DENKA KOGYO,
  • MORITA CHEMICAL, Zhangjjagang Guotai-Huarong, Shanshan Tech

6. Global Electrolyte Market Status and Prospect (~ 2020)

  • 6.1. Global Electrolyte Usage (2014)
    • : Electrolyte sales status, global sales status of electrolyte on small-sized batteries & medium to large-sized batteries, electrolyte sales by country
  • 6.2. Electrolyte usage by Lithium-ion Secondary Battery Enterprises
    • : Electrolyte usage of Samsung SDI, electrolyte usage of LG Chem, electrolyte usage of Panasonic, electrolyte usage of ATL
  • 6.3. SCM of Electrolyte Industries & Secondary Battery Manufacturer
    • : SCM matrix of electrolyte industries and secondary battery manufacturer
  • 6.4. Global Market Prospect of Lithium-ion Secondary Battery & State and Prospect for Electrolyte
    • : Global Lithium-ion secondary battery market, global demand for electrolyte used in lithium-ion secondary battery, production of electrolyte for lithium-ion secondary battery

7. INDEX (Reference List)

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