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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。
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。
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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。
在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。
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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。
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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。