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By Zhang Tong in Beijing
October 29, 2023
Future looks bright as new
Chinese-designed solar cell provides renewable energy breakthrough
Professor Zhu Zonglong of CityU
believes that once the technology matures, perovskite may drive a new
wave of growth in the global photovoltaic market, especially in China.
Photo: City University of Hong Kong
In a landmark achievement that
could reshape the renewable energy landscape, a team of Chinese
researchers has developed a new type of solar cell with groundbreaking
efficiency, unprecedented stability and an extended service life.
The technology could also reduce energy costs to a quarter of that of
current silicon-based solar cells, according to the team.
The new solar cells use perovskite, a low-cost, easily available
inorganic material. When exposed to sunlight, perovskite converts
solar energy into electricity in a similar way to traditional solar
panels, but with higher efficiency.
China bets big on
hydrogen in pursuit of carbon neutrality benchmarks
By
Tongjian Dong
- Hydrogen, a clean fuel source with
enormous potential, is being adopted by China for numerous purposes
as it attempts to fulfil its zero-emissions goals
-
The fuel is generated at massive scale, but most comes from coal and
natural gas, necessitating a ‘greening’ of production
China has looked to hydrogen as another clean energy source in its
quest to meet national carbon-neutrality goals. Photo: He Huifeng
To reach its carbon neutrality goals, China – the
world’s largest producer of greenhouse gas emissions – has
turbocharged its ambitions and marshalled tremendous resources in the
battle against climate change.
One top priority in this campaign is developing its already booming
hydrogen energy industry, as the clean fuel source is a promising
solution for cutting carbon emissions in sectors that are difficult to
electrify, such as long-distance transport.
Earlier this month, China’s first hydrogen-powered ship set out on its
maiden voyage, a strong statement on the country’s aspirations to
green its transport sector by any means possible.
How big is China’s hydrogen
market?
China is the world’s largest hydrogen producer and consumer, mainly
because of its large chemical industry and oil refining capacity.
Hydrogen production in China reached around 33 million tonnes in 2021,
around 30 per cent of the world’s total output.
Li Guohui, vice-president of state-owned China Petroleum Pipeline
Engineering Corporation, announced in May that by 2050, China will
develop a 6,000km (3,700 miles) hydrogen pipeline network.
Despite the increase in production, spurred
partially by technological innovation cutting costs, unfilled demand
is also on the rise.
According to a report released in June by leading consultancy
Deloitte, China is expected to be the world’s largest importer of
clean hydrogen by 2030. It will require 13 million tonnes a year by
then due to the huge amount of clean energy required to decarbonise
multiple sectors of the economy.
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