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能源存储的重大突破 – 译学馆
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能源存储的重大突破

Energy Storage Breakthroughs

风能和太阳能发电的规模正在扩张
Wind and solar powered generation is expanding,
但我们面临的一个挑战是
but one challenge we face is how to store that
如何在阴天或无风的情况下储存能量
energy when the sun isn’t shining or the wind isn’t blowing.
三家有创新精神的企业正在寻找突破口克服这一挑战
Here are three innovative companies searching for breakthroughs to solve this challenge.
有史以来第一次
For the first time ever, renewable power is cheaper
可再生能源比化石能源更便宜
than fossil intensive fuel sources.
这是个了不起的声明
I mean that’s a remarkable statement.
Malta的使命是能够为全世界提供
Malta’s mission is to enable the supply
可靠 有弹性和负担得起的电力
of reliable, resilient, and affordable electricity anywhere in the world.
我们通过开发一种长期且具有成本竞争力的
And we’re doing that by developing an energy storage technology
储能技术来实现这一目标
that is long duration and cost competitive.
Malta系统非常的简单
The Malta system is very simple.
在前端 当电力进入
On the front end as the electricity comesin
它基本靠一个热泵运行
it basically operates a heat pump.
你要做的是把热的一面储存在熔盐中
What you’re doing is taking the hot side
盐能很好地储存热量
and storing that in molten salt and salt stores heat very well.
并且把冷的那一面放在冷冻液里
And you’re taking the cold side and storing that in an antifreeze solution.
然后 当需要电力
And then when the electricity is needed to
回到电网时
go back out to the grid, what
你所做的基本上就是逆转这个过程
you’re doing is basically reversing that process.
Quidnet如今正在采用最普遍的储能形式
Quidnet is taking the largest form of energystorage today,
就是所谓的抽水蓄能
which is called pumped hydro storage.
有效地使水上上下下地流动
Effectively running water up and down a hill.
我们只是把它带到
And we’re just bringing
没有山丘的地区 那里的地形都是平坦的
that to regions where there are no hills and it’s all flat terrain.
对于抽水蓄能来说
For pumped hydro storage the majority
大部分的成本用来在山的一侧和顶部进行施工
of the cost is building the dam and constructing on the side,
来修建大坝
and on the top of the mountain.
通过用Quidnet的井下地质机械泵储存
With Quidnet’s subsurface, geo-mechanicalpump storage
我们承担这一成本 并将其降低大约一个数量级
we take that cost and bring it down about an order of magnitude.
一个Quidnet设施大致上包括一个地表池塘
A Quidnet facility essentially involves asurface pond,
一个机械室和一口井
a mechanical room, and a well.
当系统充水时 水从水池中抽出
When the system is charging water is pulled from the pond and pumped down
泵入井内 并保持高压
into the well and kept at high pressure.
当我们排放的时候
When we’re discharging,
高压水可以
the high-pressure water is allowed to
通过井回流
come back up through the well,
流过涡轮 然后流回池塘
flowing through the turbine, and back intothe pond.
Form Energy的双向发电厂与其他类型的储能装置有很大的不同
Form Energy’s bidirectional power plants are quite different from other kinds of energy storage.
锂离子是大多数人都知道的
Lithium ion is one that most people know.
锂离子电池是很棒的短跑运动员
Whereas lithium ion batteries are fantasticsprinters
你绝对不会让一个短跑运动员去跑马拉松
you would never take a sprinter and ask that sprinter to run a marathon.
在我们的例子中
In our case what we are going after
我们追求的是一种非常不同的竞争
is a very different kind of race.
那场马拉松中的参赛者 是一个不同的电化学挑战
In that marathon racer is a different electrochemicalchallenge.
消除长时间的间歇需要几天
To smooth out those intermittencies over longperiods of time. Days,
几周 甚至可能是几个月
weeks, or potentially even months.
双向发电厂的工作原理
The bidirectional power plant operates under the same principles
与任何储能装置相同
that any energy storage device does.
你有一个充电源
You have a source of charging and then it’s discharged
然后根据我们开发的最大值算法放电
according to the value maximizing algorithm that we have developed.
我们使用地球上丰富的元素
We use earth abundant elements and we use
我们使用的元素是无毒和非常温和的
elements which are non-toxic and very benign.
每天我醒来都会告诉自己
Every day I can wake up and tell myself
我在做一些关于气候变化的事情
that I’m doing something about climate change.
我正在做一些
That I’m doing something that matters,
对我孩子那一代来说很重要的事情
that will matter to my children’s generation.
解决这些问题的时间不会很长
The window for solving these problems isn’tthat long.
能够通过做一些事情来奉献出我们的能力
Being able to dedicate our capabilities bydoing something about that
最终会使我们保持前进和兴奋
is what finally keeps us going and excited.
人类有着不可思议和无穷无尽的创造力
Humans are incredibly and endlessly inventive.
我很喜欢这个想法 我们只用去做就是了
I do like the idea that we’re just going to go do it.

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视频概述

三家不同的创新公司寻求突破以解决储存能量的办法。

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视频来源

https://www.youtube.com/watch?v=HGHX8OIaupk

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