| 1 |
What is identified as one of the most significant technical barriers to large-scale renewable energy storage?
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5. Political instability in energy-exporting countries |
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Some of the country doesn't accept the ESS.
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It has high cost and some country tax home battery systems. It also has high safety risk.
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| 2 |
Which regulatory challenge most directly impedes investment in large-scale storage infrastructure?
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2. Lack of standardized policies across regions |
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Some country policies don't allow ESS.
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It has very high cost and has safety risk because it can has fire just like 34 ESS fires in South Korea.
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| 3 |
What solution is proposed to address the fragmented policy landscape?
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3. Creation of international policy harmonization frameworks |
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Creation of international policy could help.
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We can use other country landscape to help for the solution. Policy storage: subsidised , standadized regulation, and public awareness.
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| 4 |
Which material is noted for its potential in increasing storage capacity?
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2. Lithium-sulfur |
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These chemical can storage energy.
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These material or chemical can storage alot of enegy.
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| 5 |
Why are economic incentives considered essential for advancing energy storage deployment?
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4. To de-risk long-term investment |
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To de risk long term investment.
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These money can help to improve the technology and reduce some cost . I t also de risk long term investment too.
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| 6 |
What is a key environmental concern associated with current storage technologies?
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2. Toxic material disposal |
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The key environmental concern associated is Toxic material disposal.
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Some of the chemical that used can be toxic and hard to dispose.
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| 7 |
How can large-scale storage help address grid intermittency issues?
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2. By storing excess renewable energy during off-peak hours |
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Store the energy and use when we not have energy.
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The ESS can store energy and use when the renewable energy source can't work because it is non linear.
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| 8 |
Which stakeholders are described as crucial in overcoming regulatory inertia?
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3. Regional and international policymakers |
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The stakeholders are very crucial for the policy.
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If the policy changes , it will effect the stakeholders. If the ESS got fire the stakeholder will get less money.
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| 9 |
Which of the following is a suggested innovation strategy for improving system-level storage performance?
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2. Decentralizing renewable storage grids |
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We need to decentralize the renewable storage grids because it has high risk.
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If one of the storage grid is broken so it can't storage anymore, but if we decentralize we can use the one that is not broken.
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| 10 |
Which hydrogen production method is still considered the most carbon-intensive?
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3. Grey hydrogen |
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Grey hydrogen cause alot of CO2.
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The grey hydrogen can emits alot of carbondioxide gas than the blue or green.
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| 11 |
What is one major advantage of hybrid hydrogen production systems?
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2. They integrate both renewable and non-renewable sources for flexibility |
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Its combine the renewable and non renewable energy source
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Combing the renewable and fossil fuel together for lower emissions.
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| 12 |
Which technology is often paired with hydrogen production to reduce emissions?
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3. Carbon capture and storage (CCS) |
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Carbon capture technology can pair with the hydrogen production.
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Some method of producing hydrogen can make carbondioxide. So we neeed the carbon capture to collect carbondioxide.
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| 13 |
Why is the shift to blue hydrogen considered a transitional strategy?
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2. It’s cheaper than green hydrogen and includes CCS |
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It's cheaper but not as clean as green.
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The green is the electrolysis combine with renewable but has very high cost , so we use blue because it is combination of SMR and CCS.
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| 14 |
Which method uses electrolysis powered by renewable energy?
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4. Green hydrogen |
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Green use electrolysis to separate water to hydrogen by using electricity.
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The Green is the combination of renewable energy and electrolysis, so the energy that are made is so clean.
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| 15 |
What is a key infrastructure challenge to scaling hydrogen production?
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3. High cost and complexity of storage and transport |
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It has very high cost to make.
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The infrastructure are very hard to make and it has very high cost.
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| 16 |
What policy approach does the article suggest to encourage hydrogen development?
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3. Introduce long-term funding schemes and carbon pricing |
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The policy should help with hydrogen production.
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Making long term funding for the hydrogen production and carbon pricing.
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| 17 |
Why is public perception considered a barrier to hydrogen adoption?
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3. Concerns about flammability and accidents |
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The hydrogen production has very high of safety risks.
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It can cause the accident . For example: It could cause flame and explode.
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| 18 |
What is an emerging innovation in hydrogen production discussed in the article?
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3. Plasma-assisted methane reforming |
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To reform the gases.
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So it just like remake the gas or reuse the gas reducing the cost.
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| 19 |
Based on the diagram provided, which of the following best describes the function of a “Multi Scale EES” system within a renewable energy infrastructure?
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2. It serves as a centralized storage system that integrates diverse renewable energy sources for grid distribution. |
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It collect the energy.
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The ESS collect the energy form the renewable energy source which serves as a centralized storage system.
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| 20 |
According to the diagram, which stage is most directly responsible for separating hydrogen from other gases after the reforming and water-gas shift processes?
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3. The red unit on the far right after blue treatment |
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The red one separate.
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The red one separate to hydrogen and carbondioxide.
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