世界中の電気自動車を支える高パフォーマンス低コストのバッテリー

特徴

自動車用として最適なパフォーマンスを持つAESCのリチウムイオンバッテリー

The major characteristics of AESC's lithium-ion batteries are (1) the use of high stability lithium manganate in the cathode and (2) the adoption of a lightweight, compact, laminated cell structure with good heat dissipation. As a result, lithium-ion batteries from AESC exhibit both high stability and advanced performance, can be easily loaded in a vehicle, and are also the optimum battery in terms of cost.

マンガン酸リチウムの採用によって高い安全性と低コストを実現

マンガン酸リチウムの採用によって高い安全性と低コストを実現

While the name "lithium-ion battery" is a general term, there are various types of lithium-ion batteries. Consider the cathode material for example. Numerous different materials are used including lithium cobalt oxide, which is widely used in cell phones and notebook PCs, and lithium manganate, which is used by AESC, as well as lithium nickel oxide, lithium iron phosphate, and ternary systems that combine nickel and manganese with a base of lithium cobalt oxide.
Some benefits of lithium manganate, which is used by AESC as a cathode material, include (1) the fact that it is safe with a crystalline structure that does not change even in an overcharged stated, and (2) that manganese reserves are abundant and the market price is stable.

放熱性が良く、軽量・コンパクトなラミネート型セル構造

放熱性が良く、軽量・コンパクトなラミネート型セル構造

AESC's cells feature a structure in which cathodes, formed by coating lithium manganate on an aluminum foil, and anodes, formed by coating a carbon material on copper foil, are alternately stacked with a separator sandwiched between and then sealed with a laminate film.
The features include a broad surface area, a sheet-like shape, and a simple structure, and because of these features, the cells demonstrate good heat dissipation and allow for a high degree of freedom in the design of the battery shape to accommodate loading the batteries into a vehicle. AESC's batteries also demonstrate the high performance that is needed for automotive use while remaining low in cost.

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EV用とHEV用の違いとは

AESC produces batteries for electric vehicles (EV) and batteries for hybrid electric vehicles (HEV). Both are types of lithium-ion batteries, but because battery requirements differ for EV and HEV applications, the materials, structures, and performance also differ.
The batteries for EV use are designed as high capacity type batteries in order to extend the distance that can be driven on a single charge, while HEV batteries are designed as high output type batteries that can instantaneously transfer a large amount of power.

高容量・急速充電対応を実現したAESCのEV用リチウムイオンバッテリー

高容量・急速充電対応を実現したAESCのEV用リチウムイオンバッテリー

Electric vehicles are powered only by the energy that is stored in the on-board batteries. Therefore, EV batteries must be designed as large capacity batteries so that vehicles can travel long distances on a single charge. In addition, sometimes electric vehicles must be charged away from home, so the batteries must be capable of being charged with a rapid charger.
The cell capacity of AESC's lithium-ion batteries for EV applications is 30Ah or greater, which is 10-30 times the capacity of lithium-ion batteries for smart phones.

「EV用 セル / モジュール / パック」の詳細を見る

高出力を可能にしたAESCのHEV用リチウムイオンバッテリー

高出力を可能にしたAESCのHEV用リチウムイオンバッテリー

Hybrid electric vehicles (HEV) are powered by a combination of an engine and an electric motor. When the vehicle first starts to move and at other times when a large amount of torque is required, the battery pack and motor operate to assist the engine, and at other times, driving energy is recovered and used to charge the batteries. Therefore, emphasis is focused on performance that allows the batteries to instantaneously transfer a large amount of electric power.
AESC's lithium-ion batteries for HEV applications are compact and lightweight and boast of an overwhelmingly high output.

「HEV用 セル / モジュール / パック」の詳細を見る