材料之间的结合决定了电池的特性，包括它的能量和功率密度，以及安全性、使用寿命和成本。
The combination of materials determines the characteristics of the battery, including its energy and power density, safety, longevity and cost.
并表明，开发中的电池在能量和功率密度、效率、500a充电和放电电流、内部电阻和维护等各方面都有极好的性能。
The battery under development has demonstrated excellent performance in terms of energy and power density, efficiency, 500a charge and discharge current, internal resistance and maintenance work.
综合设计和开发活动的目标是为了进一步改善功率密度，提高能量效率并减少制造成本。
The objective of the integrated design and development activity is to further improve power density, increase energy efficiency, and to reduce manufacturing cost.
电解质是制备高功率密度和高能量密度、长循环寿命和安全性能良好的锂离子电池的关键材料之一。
Electrolyte was one of the key points which made rechargeable lithium ion batteries with high power and energy density, long cycling life and desirable safety.
质子交换膜燃料电池（PEMFC）具有较高的功率密度和能量转化效率，最有可能成为电动汽车的动力源。
The proton exchange membrane fuel cell (PEMFC) is one of the most promising power sources for future electric vehicles due to it's high power density and energy conversion efficient.
它与蓄电池组合成的混合动力电源，可以满足多种用电设备对电源提出的功率密度和能量密度的要求。
The hybrid electric power source composed of Ultracapacitor and storage battery may satisfy the demands about power density and energy density proposed by many types of electric facilities.
为了获得大加速度和长距离，同时改善整车性能，本文提出了一种高能量密度和高功率密度的混合能源的纯电动汽车模型。
In this paper we proposed a EV model of energy hybridization with high energy and high power for great acceleration and long ranges and improve the whole system properties.
电解质是制备高功率密度、高能量密度、长循环寿命和安全性能良好的锂离子电池的关键材料之一。
Electrolyte is one of the key materials of synthesis of lithium ion battery of high density of power, high density of energy, long circular life and good capability of security.
本论文通过材料优化和电容器结构改进，获得了较高的能量密度和功率密度的水相电容器。
In this paper, we developed an aqueous supercapacitor with high power density by the improvement of electrode material and optimization of hybrid structure.
不同扩散层所组装的燃料电池最大放电功率密度有较大的差别，碳纤维布扩散层所组装的燃料电池最大放电能量分别是碳纸和碳膜扩散层所组装的燃料电池最大放电能量的2 16倍和6 94倍。
The discharge power density of fuel cell used by carbon fibre cloth diffusion layer are 2.16 and 6.94 times than that of fuel cells used by carbon paper and carbon film diffusion layers respectively.
不同扩散层所组装的燃料电池最大放电功率密度有较大的差别，碳纤维布扩散层所组装的燃料电池最大放电能量分别是碳纸和碳膜扩散层所组装的燃料电池最大放电能量的2 16倍和6 94倍。
The discharge power density of fuel cell used by carbon fibre cloth diffusion layer are 2.16 and 6.94 times than that of fuel cells used by carbon paper and carbon film diffusion layers respectively.
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