Table 12 Types of structures instantiating Cause: purpose meanings in Brooks et al. (2013)

2

for renewable energy applications [[to thrive]]

4.2

for replacing hydrocarbons for mobile applications

for mobile applications

7.2

for transportation applications

8.1

(In order) To illustrate,

8.3

for mobile H2 use

10.1

for this application

11.1 11.1

for energy storage

14.1

for storage

16.1

(In order) To make use of

18

for such a scheme

for the initial absorption of a photon

19.2

for driving the Zn/air cell

28.2

for eventual use as a solar fuel

as a solar fuel

29.3

(In order) to photoreduce

29.5

for a solar fuel

6

3

4

3

1