原因是，他表示：电容器技术将能量存储在距离很近的一对导体之间的电场中。
The reason, he says: capacitor technology that stores energy in the electric field between a pair of closely spaced conductors.
各公司正尝试将各种存储技术，从压缩空气泵入洞穴到利用新型超级电容器，投入商业化应用。
Companies are trying to commercialize all kinds of storage technologies, from pumping compressed air into caverns to using new kinds of ultracapacitors.
北卡罗琳的国际技术中心一位纳米金刚石专家Olga Shenderova称，钻石是绝缘体，而电容器需要一种导电物质。
"You need an electrically conductive material for a capacitor, and diamonds are insulators," said Olga Shenderova, a nanodiamond expert at the International Technology Center in North Carolina.
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