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2019年諾貝爾化學獎背後的鋰電池專利戰

專利申請

2019年10月9日,瑞典皇家科學院將2019年(nián)諾貝爾化學獎授予美國的(de)John B. Goodenough、英國的Stanley Whittingham以及日本的Akira Yoshino,以表(biǎo)彰他們在鋰離子(zǐ)電池研究方麵(miàn)的突(tū)出貢獻。


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2019年的諾貝爾化學獎實至名歸,鋰離子電池對現代社會的影響深遠,從移動電子到電動汽車都廣泛應用。


但是鋰離(lí)子電(diàn)池(chí)的研究道路卻充滿了波折,這裏麵摻(chān)雜著專利戰(zhàn)、商業間諜、技術產業化競爭(zhēng)等複雜的故事情節。


最先(xiān)做出鋰離子(zǐ)電池的是英國的(de)Stanley Whittingham,他在(zài)上世紀70年(nián)代開始申請了鋰離(lí)子電(diàn)池(chí)方麵的(de)一係列專利。


US-4007055-A

Preparation of stoichiometric titanium disulfide 

US-4040917-A

Preparation of intercalated chalcogenides 

US-4009052-A

Chalcogenide battery 

US-4049879-A

Intercalated transition metal phosphorus trisulfides 

US-4049887-A

Electrochemical cells with cathode-active materials of layered compounds 

CA-1094777-A

Preparation of stoichiometric titanium disulfide 

US-4086403-A

Alkali metal/niobium triselenide cell having a dioxolane-based electrolyte 

CA-1036535-A

Preparation of intercalated chalcogenides 

US-4143213-A

Cells having cathodes containing chalcogenide compounds of the formula Ma FeXb and species thereof exhibiting alkali metal incorporation 

US-4139682-A

Cells having cathodes derived from ammonium-copper-molybdenum-chalcogen compounds 

US-4144384-A

Cells having cathodes with vanadium-chalcogen-containing compounds 

US-4166160-A

Cells having cathodes derived from ammonium-molybdenum-chalcogen compounds 

US-4201839-A

Cell containing an alkali metal anode, a solid cathode, and a closoborane and/or closocarborane electrolyte 

US-4243624-A

Method of making cathodes derived from ammonium-metal-chalcogen compounds 

US-4233375-A

High energy density plural chalcogenide cathode-containing cell 

CA-1099333-A

Electro chemical cell with titanium disulfide cathode 

US-4339424-A

Method of preparing W or Mo metal oxides 

US-5514490-A

Secondary lithium battery using a new layered anode material 

US-2016365577-A1

Vanadyl phosphates as high energy density cathode materials for rechargeable sodium battery 

US-2017373310-A1

Kvopo4 cathode for sodium ion batteries

US-2019273257-A1

Epsilon-VOPO4 CATHODE FOR LITHIUM ION BATTERIES

Stanley Whittingham的專利


從(cóng)70年代開始,Stanley Whittingham在鋰離子領域申請(qǐng)了幾十件專利,最(zuì)近的一件專利(lì)申請還是在(zài)2019年公開的,可見其對鋰離子電池研究的激情。


但(dàn)是可惜的是,Stanley Whittingham最初的鋰離子電池存在諸多問題,無法商業化。


Stanley Whittingham的基礎上,當時還在(zài)牛津大學工作的美國科學家Goodenough發現了一種更好的材料氧化鈷鋰,這一發(fā)現直接促使了日(rì)本企業將鋰電(diàn)池正式商業化。但離奇的是,當時的牛津(jīn)大學竟然未對該成果申請專利。日本企業相當於白白(bái)使用了這一成果。Goodenough一直在幾十年後還對牛津(jīn)大學的決定懊惱不已。牛津大學的這一決定損失(shī)了至少幾億美元(yuán)的專利(lì)許可費。此後,Goodenough在(zài)鋰電池領域不斷改進,最終發明了磷酸鐵鋰電池,這也是如今電(diàn)動汽車領(lǐng)域使用最普遍的電池。但這一次Goodenough又在(zài)專利上跌了跟頭,日本電訊公司(sī)將一名(míng)員工Osada送到他的實驗室當訪問研究員,Goodenough後來在法庭上說他是出於友誼答應的,沒想到回到日本後Osada偷偷地將相關技術申請了(le)專利,導致Goodenough大為惱火,在美國起訴日本企業竊取知識產權,索賠(péi)5億美元。但是在訴訟進行(háng)的過程中,日本企業(yè)在鋰電(diàn)池方麵早已實現了騰飛(fēi)。


Goodenough一直90多歲還(hái)在做(zuò)研究,最近(jìn)的一件專利是(shì)在2018年公(gōng)開了,95歲還在申請專利。他(tā)在鋰(lǐ)電池方麵申請過20多個專利,當然最關鍵(jiàn)的發明都沒有得到多很好的保護,否則(zé)Goodenough早已是億萬(wàn)富豪了。


US-4049891-A

Compositions for fast alkali-metal-ion transport 

US-4302518-A

Electrochemical cell with new fast ion conductors 

US-4507371-A

Solid state cell wherein an anode, solid electrolyte and cathode each comprise a cubic-close-packed framework structure 

US-5910382-A

Cathode materials for secondary (rechargeable) lithium batteries 

DE-6020470-T1

Cathode material for secondary (rechargeable) lithium batteries 

US-6514640-B1

Cathode materials for secondary (rechargeable) lithium batteries 

US-6221812-B1

Jc in high magnetic field of bi-layer and multi-layer structures for high temperature superconductive materials 

WO-2006130766-A2

Cathodes for rechargeable lithium-ion batteries 

US-2012052401-A1

Niobium Oxide Compositions and Methods for Using Same 

US-2014080019-A1

MONOCLINIC Sr1-xAxSi1-yGeyO3-0.5x, WHEREIN A IS K or Na, OXIDE ION CONDUCTOR

US-2015050578-A1

Oxide-ion conductors and related composites and devices 

US-2016351904-A1

Cathode additive for rechargeable lithium batteries 

US-9890048-B2

Water solvated glass/amorphous solid ionic conductors 

US-2017005327-A1

Cathode additive for rechargeable sodium batteries 

US-10236513-B2

Alkali-metal batteries with a dendrite-free anode interfacing an organic liquid electrolyte 

US-2018287222-A1

Self-charging and/or self-cycling electrochemical cells 

WO-2018013485-A1

Self-charging and/or self-cycling electrochemical cells 

US-10381683-B2

Metal plating-based electrical energy storage cell 

US-2019115162-A1

Heat energy-powered electrochemical cells 

US-2018287150-A1

Electrochemical cells with a high voltage cathode 

Goodenough的專利申請(qǐng)


但從知識產權保護方麵來說,來自日本的科學家Akira Yoshino是最成功的,他的技術直接推動了鋰電池的商業化。Akira Yoshino在鋰電池領(lǐng)域一共申請了(le)50多件專利,也為此獲得了巨大的商業利(lì)益。


US-4226908-A

Water repellent inorganic foam and method for producing the same 

US-4207113-A

Inorganic foam and preparation thereof 

CA-1103405-A

Inorganic foam and preparation thereof 

JP-S60127669-A

Secondary battery 

JP-S60127309-A

Stabilization of n type polyacetylene 

JP-S60127307-A

Electrochemical stabilization of n type polyacetylene 

JP-S60262351-A

Composite negative electrode of secondary battery 

US-4634636-A

Polyacetylene composite 

JP-S61285678-A

Electrochemical method for stabilizing n-type polyacetylene 

EP-0205856-B1

Secondary battery 

JP-S633393-A

Card processing system with display function 

JP-H0422066-A

Nonaqueous secondary battery 

JP-H0574453-A

Organic secondary battery 

JP-H0574452-A

New secondary battery 

JP-H0574436-A

Separator for battery 

JP-H0574461-A

Secondary battery negative electrode 

JP-H0574442-A

Battery separator 

JP-H0574494-A

Nonaqueous secondary battery 

JP-H0574493-A

Secondary battery equipped with safety element 

JP-H0574455-A

Organic electrolyte battery 

JP-H0574485-A

Nonaqueous electrolyte secondary battery 

JP-H0585741-A

Method for firing multiple oxide 

JP-H0594822-A

Battery 

JP-H0620672-A

Separator for nonaqueous battery 

WO-9306628-A1

Secondary cell 

JP-H06111805-A

Positive electrode pin for battery 

JP-H06111804-A

Resin sealed positive electrode terminal 

JP-H06111803-A

Positive electrode terminal for battery 

JP-H06111802-A

Positive electrode pin structure 

JP-H0750159-A

Battery with new rupture 

JP-H0750160-A

Positive electrode pin 

AU-655710-B2

.econdary battery 

TW-211084-B

Secondary battery 

JP-H07176302-A

Secondary battery 

JP-H07176303-A

Manufacture of secondary battery electrode 

JP-H08106886-A

Batteries 

JP-H11176996-A

Coated electronic circuit 

JP-2001357724-A

Anti-corrosive overhead wire 

JP-2002020777-A

Grease and aerial power transmission line obtained by using the same 

JP-2004095338-A

Corrosion-protected wire 

JP-2004095337-A

Corrosion proof electric supply cable 

JP-2006324554-A

Fluorine-containing organic sulfonyl imido salt electrolyte, and electrolytic solution and electrochemical component using same 

JP-2006324167-A

Unsymmetrical organic sulfonylimide salt electrolyte, electrolyte solution and electrochemical element using the same 

CA-2662423-C

Polymer electrolyte comprising a ketonic carbonyl group and electrochemical device comprising said electrolyte 

EP-2063436-B1

Polymeric electrolyte, method for production thereof, and electrochemical element 

JP-2009087875-A

High heat radiation electrochemical element and power supply device 

US-9893378-B2

Non-aqueous electrolyte solution and non-aqueous secondary battery 

JP-2013199176-A

Liquid-gas transport vehicle 

JP-2015065050-A

Nonaqueous electrolytic solution, and nonaqueous secondary battery 

JP-2015072805-A

Nonaqueous secondary battery 

JP-2017152085-A

Nonaqueous electrolytic solution and nonaqueous secondary battery 

EP-3467930-A1

Nonaqueous electrolyte and nonaqueous secondary battery 

EP-3279996-B1

Nonaqueous electrolyte and nonaqueous secondary battery 

Akira Yoshino的鋰(lǐ)電池專利申請


2019年諾貝爾化學獎也反映了(le)各國的研發思(sī)路。歐美更注重原始的創新,日本的基礎研究更靠近產(chǎn)業實踐。日本企業在鋰電池的產業(yè)中獲得了最大的利益。


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