本研究將高速壓延之 ZK60 合金和 ZK60 合金分別添加石墨烯、
活性炭與奈米碳管，進行球磨 30、35 和 40 小時，以探討經由塑性
變形、不同碳材添加劑與不同球磨時間對於鎂基材料儲氫性質之影
響。
實驗結果顯示，高速壓延之ZK60 合金經過銑床銑削後，添加石
墨烯，在球磨 40 小時後所製備而成的粉末儲氫量為 6.6 wt.%，而
ZK60 合金在相同條件下之儲氫量也為 6.6 wt.%，由此得知在儲氫性
質上並無明顯差異，其原因為兩者的晶粒尺寸皆為 30 nm。添加石
墨烯的 ZK60 合金，經過 40 小時的球磨，儲氫量為 6.6 wt.%，添加
活性炭的 ZK60 合金儲氫量為 4.3 wt.%，而添加奈米碳管的 ZK60 合
金則為 5.9 wt.%，由此得知在對於 ZK60 合金儲氫性質的催化效果
上，石墨烯最佳、奈米碳管次之，而活性炭最差，其原因為碳材結
構的缺陷程度的影響，石墨烯的ID/ IG 值為 1.31，活性炭為 0.99，而
奈米碳管則為 1.18；石墨烯的活化能為 97 KJ/mol，活性炭為 119
KJ/mol，而奈米碳管則為 107 KJ/mol。球磨 40 h 的高速壓延之
ZK60 合金添加石墨烯之儲氫量為 6.6 wt.%，在相同條件下球磨 35 h
為 6.5 wt.%，而球磨 30h 則為 6.2 wt.%，由此得知球磨 40 h 對於材
料的儲氫性質上有略為提升，其原因為顆粒尺寸較低，球磨 40 h 為
1 μm，球磨 35 h 為 7 μm，而球磨 30 h 則為 15 μm。
經由本研究之製程所製備的ZK60 鎂合金粉末，其儲氫性質與經
由霧化噴粉製程所製備的 ZK60 鎂合金粉末幾無差異。因此，本研
究的製程可用於鎂合金廢料於儲氫材料的再利用，達到材料循環利
用的目標。

In this study, the ZK60 alloy prepared by high rate rolling were
separately modified with graphene, activated carbon, and carbon
nanotubes. The modified were then subjected to ball milling for 30, 35,
and 40 hours to investigate the effects of plastic deformation, different
carbon additives, and varying milling durations on the hydrogen storage
properties of magnesium-based materials.
The results show the ZK60 alloy plate prepared by high-rate rolling
and subsequent milling exhibited a hydrogen storage capacity of 6.6 wt.%
after 40 hours of ball milling with the addition of graphene. Interestingly,
the hydrogen storage capacity of the ZK60 alloy plate without graphene
addition was also 6.6 wt.% under the same conditions. This suggests that
there is no significant difference in hydrogen storage properties between
the two, which can be attributed to their similar grain sizes of 30 nm.
Furthermore, the ZK60 alloy with graphene addition exhibited a
hydrogen storage capacity of 6.6 wt.% after 40 hours of ball milling. In
comparison, the ZK60 alloy with activated carbon addition had a
hydrogen storage capacity of 4.3 wt.%, while the ZK60 alloy with carbon
nanotube addition had a hydrogen storage capacity of 5.9 wt.%. These
results indicate that graphene has the best catalytic effect on the hydrogen
storage properties of the ZK60 alloy, followed by carbon nanotubes, and
activated carbon showed the lowest performance. This can be attributed
to the varying degrees of carbon material structure defects. ID/IG value of
1.31 for graphene, 0.99 for activated carbon, and 1.18 for carbon
nanotubes), its activation energy is 97 KJ/mol compared to 119 KJ/mol
for activated carbon and 107 KJ/mol for carbon nanotubes. In terms of
the effect of ball milling duration, the ZK60 alloy with graphene addition
exhibited a hydrogen storage capacity of 6.6 wt.% after 40 hours of ball
milling. Under the same conditions, the hydrogen storage capacity was
6.5 wt.% after 35 hours of ball milling and 6.2 wt.% after 30 hours of ball
milling. This suggests that a ball milling duration of 40 hours has a better
effect on the hydrogen storage properties of the material, likely due to the
smaller particle size. Specifically, the particle size after 40 hours of ball
milling was 1 μm, 7 μm after 35 hours, and 15 μm after 30 hours.
The ZK60 magnesium alloy powder prepared using the process in
this study exhibited comparable hydrogen storage properties to the ZK60
magnesium alloy powder prepared by atomization and spray deposition.
Therefore, the process developed in this study can be applied for the
recycling of magnesium alloy waste into hydrogen storage materials,
contributing to the goal of material circular economy. Please note that
while I have provided a translation of the text, there may still be some
technical terms or specific expressions that may require further review or
clarification by a domain expert.

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