作业帮求翻译英文文献1. INTRODUCTIONThe explosive growth in demand for hig
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求翻译英文文献
1. INTRODUCTION
The explosive growth in demand for high energy density
devices has prompted the intense efforts toward development
of various energy storage materials.1−4 Lithium−sulfur batteries
have been considered to be promising energy storage devices
and have attracted considerable attention over the years.5 The
high theoretical capacity of S (1675 mA h g−1) enables the Li−
S batteries to provide a theoretical energy density of
approximately 2600 W h kg−1, which is much higher than
that of conventional Li-ion batteries.6 Moreover, S is abundant,
inexpensive, and nontoxic, which makes it a prospective choice
for wide applications. Despite these advantages, practical
applications of Li−S batteries are still plagued with many
challenges.7 One such major issue is the insulating nature of S
and its reduced product Li2S, leading to low utilization of the
active material and inferior rate capability. Another problem is
the intermediate polysulfide species formed during cycling,
which are soluble in the electrolyte and shuttle between the
electrodes. This phenomenon, known as “shuttle effect”, results
in a low Coulombic efficiency and poor cycling life of the
battery.
1. INTRODUCTION
The explosive growth in demand for high energy density
devices has prompted the intense efforts toward development
of various energy storage materials.1−4 Lithium−sulfur batteries
have been considered to be promising energy storage devices
and have attracted considerable attention over the years.5 The
high theoretical capacity of S (1675 mA h g−1) enables the Li−
S batteries to provide a theoretical energy density of
approximately 2600 W h kg−1, which is much higher than
that of conventional Li-ion batteries.6 Moreover, S is abundant,
inexpensive, and nontoxic, which makes it a prospective choice
for wide applications. Despite these advantages, practical
applications of Li−S batteries are still plagued with many
challenges.7 One such major issue is the insulating nature of S
and its reduced product Li2S, leading to low utilization of the
active material and inferior rate capability. Another problem is
the intermediate polysulfide species formed during cycling,
which are soluble in the electrolyte and shuttle between the
electrodes. This phenomenon, known as “shuttle effect”, results
in a low Coulombic efficiency and poor cycling life of the
battery.
介绍在高能量密度的需求的爆炸性增长
设备促使向发展的巨大努力各种能源存储材料.1 4锂硫电池−−被认为是有前途的储能装置多年来,已经吸引了相当多的关注.5高的理论容量（1675毫安的H G−1）使李−提供的电池的理论能量密度约2600 W H公斤−1,这远高于传统的锂离子电池.6此外,是丰富的,廉价的,无毒的,这使得它的前瞻性选择广泛的应用.尽管有这些优点,实用李宇春−应用的电池仍然困扰着许多挑战.7这样的一个主要问题是绝缘的性质和其还原产物锂2S,导致利用率低活性材料和次品率的能力.另一个问题是在循环过程中形成的中间体硫物种,能溶于电解液之间穿梭电极.这种现象,被称为“穿梭”效应,结果在一个较低的库仑效率和循环寿命较差电池.
希望楼主参考!
设备促使向发展的巨大努力各种能源存储材料.1 4锂硫电池−−被认为是有前途的储能装置多年来,已经吸引了相当多的关注.5高的理论容量（1675毫安的H G−1）使李−提供的电池的理论能量密度约2600 W H公斤−1,这远高于传统的锂离子电池.6此外,是丰富的,廉价的,无毒的,这使得它的前瞻性选择广泛的应用.尽管有这些优点,实用李宇春−应用的电池仍然困扰着许多挑战.7这样的一个主要问题是绝缘的性质和其还原产物锂2S,导致利用率低活性材料和次品率的能力.另一个问题是在循环过程中形成的中间体硫物种,能溶于电解液之间穿梭电极.这种现象,被称为“穿梭”效应,结果在一个较低的库仑效率和循环寿命较差电池.
希望楼主参考!
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