KOLKATA: DNV GL, a global quality assurance and risk management company has predicted that technologies like new battery storage chemistries, high-temperature heat pumps and green hydrogen will significantly accelerate decarbonization of energy, transport and heating sectors in the next 10 years.

In batteries, solid-state varieties are predicted to take the lead, driven by demand to decarbonize the transport sector. Next generation heat pumps are predicted to reach temperatures of 200°C degrees, which can support industrial heat demand. Green hydrogen can compete against blue hydrogen by 2030, creating new applications for decarbonizing the heat and transport sectors.

“The driver for this phase of energy transition is the global need to limit carbon emissions, leading to more than doubling the share of electricity powered by wind and solar energy in the final energy demand mix, compared to today’s level,” said DNV GL in a recent statement.

“In its first phase energy transition was focused on decarbonizing the power sector, which was effectively done by creating market incentives to promote uptake of solar and wind energy. Twenty years later, these forms of green power generation are not only safe and reliable but have also become cost-competitive,” said Lucy Craig, vice president of technology and Innovation at DNV GL – Energy.

“The second phase of the energy transition is shifting towards CO2 intensive industries which are much harder to decarbonize, such as the transport and heating sectors. Therefore, we require equally decisive and binding policy actions to get emerging technologies such as green hydrogen, high-temperature heat pumps and new types of battery storage chemistries off the ground and build momentum for a similar success to that of core decarbonization technologies,” Craig said.

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Present day Li-ion batteries using ethylene carbonate are flammable, contributing to concerns about battery fires. A solid-state electrolyte is non-flammable. Solid-glass electrolytes can operate and maintain high conductivity at sub-zero temperatures down to -20C, addressing a major shortcoming of standard EV batteries. Currently solid-state batteries are not being produced in high volumes.

Similarly to the transport industry, the heating sector is transforming due to the growing political demands to decarbonize. Currently the global heating sector represents the largest single end-use of energy, contributing 30% of global CO₂ emissions in 2018. Using heat pumps for space heating is not new, but the focus on reducing CO2 emissions and the increased use and excess supply of electricity enable this technology to scale, and with scale comes a reduction in cost.

DNV GL anticipates that green hydrogen can compete against blue hydrogen by 2030. With growing demand to scale-up the production of green hydrogen, DNV GL expects that capital costs for electrolysers will reduce significantly and they will operate mainly when electricity prices are low. In this scenario, electrolysers operate intermittently, in step with fluctuating power prices, and hydrogen storage or complementary blue hydrogen production is available to ensure hydrogen supply. DNV GL predicts that electrolysis will become a common part of hydrogen supply somewhere between 2030 and 2035.



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