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Thread: The Remarkable Progress of Renewable Energy

  1. Top | #1131
    Administrator lpetrich's Avatar
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    The EU’s New Plastics Economy is Breaking Ground | Energy Transition

    Why hydrogen needs to take centre stage at COP26 | Wood Mackenzie
    With this argument:
    Hydrogen is a versatile, safe and clean form of energy. It is used as a fuel for power and in industry for feedstock. With the potential for zero emissions at the point of use, its only by-product can be water and it can be stored and transported in liquid or gas form.

    Many take the view that hydrogen could be a key solution to many of the challenges that need to be overcome to make a low carbon environment a reality. Indeed, hydrogen has the potential to decarbonise hard-to-abate sectors such as heavy industry and heavy-duty transport and chemicals which together are responsible for over one third of global CO2 emissions.
    But surely, we already knew this?

    The use of hydrogen in industry is nothing new. The reason why hydrogen is so much in focus today is because it is now needed, along with electrification, in significantly greater quantities to drive energy transition across all sectors. But with that comes various challenges, which often tend to stem from the manufacturing process.
    That's HOME - UN Climate Change Conference (COP26) at the SEC – Glasgow 2021
    1. Secure global net zero by mid-century and keep 1.5 degrees within reach ...
    2. Adapt to protect communities and natural habitats ...
    3. Mobilise finance ...
    4. Work together to deliver ...

  2. Top | #1132
    Administrator lpetrich's Avatar
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    Vanadium-manganese redox dual-flow battery to store power, generate hydrogen – pv magazine International
    The LEPA system combines a conventional redox flow battery (RFB) with two catalytic reactors that are able to produce green hydrogen by utilizing the fluid that runs through the battery. Unlike conventional redox flow batteries, the dual-flow battery, once it is fully charged, can discharge its fluid into the catalytic reactors, thus creating more storage space. “The dual-circuit RFB has the advantage of offering two discharging modes, and to store energy beyond the energy capacity of the electrolytes in the form of renewable hydrogen energy storage,” the Swiss group stated.
    A flow battery and electrolyzer together? Looks great.

    Noting:
    Combined hydrogen production and electricity storage using a vanadium-manganese redox dual-flow battery - ScienceDirect

    The Hydrogen Stream: new plans in the Nordics, China, Canada and Australia – pv magazine International - "H2 Energy Europe is building a power-to-gas project in Denmark and Everfuel wants to put hydrogen refueling stations in Sweden. Chinese energy giant Sinopec said it wants to invest massively in hydrogen and the Australian Energy Market Operator (AEMO) has said hydrogen will be the main driver for “very quick” growth in electricity demand."

    Gravity-based renewable energy storage tower for grid-scale operations – pv magazine International - raising and lowering blocks of composite material.

    "Energy Vault said the composite blocks are made of local soils, as well as materials otherwise destined for landfills or incinerators, including recycled coal ash, waste tailings from mining operations, and wind turbine blades."


    Global news, analysis and opinion on energy storage innovation and technologies - Energy Storage News - yes, it's a real site

    Mostly the ordinary sort of batteries, but some flow batteries and some weightlifting storage, for lack of a better term.

  3. Top | #1133
    Administrator lpetrich's Avatar
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    'Self-evident advantages': US mulls funding for gigascale New York offshore wind hub | Recharge

    Feds kick off environmental check of gigascale Sunrise wind giant in US Atlantic | Recharge

    France plans new gigawatt-plus offshore wind round amid $30bn renewables spree | Recharge

    European offshore wind build swells but action needed to 'keep progress on track' | Recharge

    Hydrogen now firmly at the heart of the global race to net zero — for better or worse | Recharge - "New policy announcements by the US, EU, UK, India and Russia show that major economies are getting serious about H2, but are they getting it right? asks Leigh Collins"

    I like all the interest in renewable-energy production of hydrogen. It's remarkable to see how much renewable energy has emerged as a viable option.

    Wind, Solar, Storage, Hydrogen, ...

    I haven't seen much on synfuels other than ammonia, however.

  4. Top | #1134
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    Apparently Bob Dylan was prophetic, the answer really is blowing in the wind.

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